英语语法分析

A very severe explosion can damage the crankcase door and cause fire in the engine room.

非常剧烈的爆炸会损坏曲轴箱防爆门，引起机仓着火。

Worn crankcase piston rod seals.

曲轴箱连杆密封件损坏。

The crankcase has to drain before you put on the new filter.

在安放新过滤器之前，曲轴箱必须滴干。