成考院校在线答案
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">40、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">（）技术性能是指钻机总体的规格和性能，如重量、重心坐标、总功率、总体尺寸、稳定性、对地比压、爬坡能力与行走速度等。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">25、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">单锥牙轮仅由主锥和背锥组成，这种牙轮在井底的运动为纯滚动，适用于（）钻进。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">27、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">复锥牙轮由主锥、副锥和背锥组成，复锥牙轮有一个或两个副锥，这种牙轮在井底工作除了滚动外，还产生滑动，用于（）钻进。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">24、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">牙轮钻头的牙掌轴颈轴线与钻头轴线的夹角β叫做（），一般为50°―55°。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-layout-grid-align:none;layout-grid-mode:char;mso-pagination:widow-orphan;">34、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">按卸载方式不同，地下矿用汽车可分为倾卸式和（）推卸式两类 。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">28、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">自卸汽车制动器的旋转元件装在传动系的传动轴上或主减速器的主动齿轮轴上，则称为（） 。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">21、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">（）传动系统采用人工操作的常规齿轮变速箱，通常在离合器上装有气压助推器，仅用于小型矿用汽车上。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">30、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">掘进凿岩钻车中较常用的推进器结构分为（）、气动马达-丝杠式和气动（液压）马达-链条式三种。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">36、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">按卸载方式不同，地下矿用汽车可分为倾卸式和（）推卸式两类 。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">38、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">（）是以柴油机或以拖曳电缆供电的电动机为原动机、液压或液力-机械传动、铰接式车架、轮胎行走、前端前卸式铲斗的装载、运输和卸载设备。</span><span style="font-family:等线;mso-bidi-font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
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