<table id="e8c34"></table>

<small id="e8c34"></small>

<dl id="e8c34"><dfn id="e8c34"><source id="e8c34"></source></dfn></dl>

單項(xiàng)選擇題

Hydraulic pumps most commonly used in steering systems are of the （）.

A.lobe type
B.screw type
C.axial piston type
D.volute type

你可能感興趣的試題

單項(xiàng)選擇題

When an auxiliary boiler is panting and emitting black smoke, you should （）.

A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply

單項(xiàng)選擇題

Close the （）.

A.keyway
B.shaft
C.packing
D.valve

感谢您访问我们的网站，您可能还对以下资源感兴趣：

国产黄色视屏

视频一区二区无码制服师生国产三级香港三级人妇国产码一区二区在线观看国产伦精品一区二区三区免费观看

<strong id="bqkja"></strong>

<progress id="bqkja"></progress>

<form id="bqkja"><pre id="bqkja"></pre></form>