單項(xiàng)選擇題

The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）

A.the rotate speed fluctuation
B.the ventilation tube clogged
C.the main engine accelerate so fast
D.stormy waves

你可能感興趣的試題

The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）

A.dropping lube oil for lubrication, reducing the pollution to the sea
B.setting a temporary gravity oil tank and enhanced the position properly
C.lubricating with the used lube oil
D.lubricating with the fresh water and navigation in a lower speed

單項(xiàng)選擇題

When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）

A.adjusting the position of the intermediate bearing
B.changing the position of the main engine installation
C.adjusting the center line of the propeller
D.changing the position of the thrust block

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