成考院校在线答案
-
2022-09-12
[多选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">5、<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;">扒爪类装载机按耙爪及其动作原理可分为()、()和()。</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">18、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">在采石场、土建工程、道路工程及小型矿山钻孔中,凿岩钻车可作为主要的钻孔设备。( )</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">12、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">铣齿钻头的硬度和抗磨性比镶齿钻头高,使用寿命较长,尤其是破碎具有研磨性的硬地层,效果更好,其适用地层范围广、进尺深、钻速高。()</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">13、<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;">液压凿岩机的冲击频率一般都高于气动凿岩机,大多数机型的冲击频率都大于或等于50Hz。( )</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">14、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">露天潜孔钻机一般有两根钻杆,分别为主钻杆和副钻杆,单根钻杆长度为10m左右。()</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">20、<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;">地下矿用汽车是在井下巷道内运输矿(岩)石,地下矿用汽车的外形尺寸不需要考虑运输巷道尺寸的限制,当巷道断面不满足要求时,可将巷道宽度和高度重新设计即可。()</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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">16、<span style="mso-spacerun:'yes';font-family:等线;mso-bidi-font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">矿用反铲挖掘机每一作业循环包括挖掘、回转、卸料等三个过程。( )</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>
-
2022-09-12
[判断] <p>11、接长钎杆中连接套不仅起到连接钎杆的作用,而且还要承受凿岩机的冲击力并进行传递。( )</p>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">19、<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;"><font face="等线">KQ-200型潜孔钻机主要用于大、中型露天矿山钻凿直径200-300mm、孔深为19m、下向倾角60-90°的各种炮孔。()</font></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>
-
2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">20、<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;">最大挖掘半径是铲杆最大水平伸出时的挖掘半径。( )</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>
- 首页
- 上一页
-
1928
-
1929
-
1930
-
1931
-
1932
-
1933
-
1934
-
1935
- 下一页
- 尾页