无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<dl id="ot9al"></dl>

<ins id="ot9al"></ins>

單項選擇題

A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.

A.compression pressure
B.compression test
C.compression ratio
D.compression clearance

你可能感興趣的試題

單項選擇題

A distance piece, known as a （） may be interposed between the rod and the bearing housing.

A.bearing shell
B.bearing liner
C.compression plate
D.lead wire

單項選擇題

A diesel engines crankcase oil level is found to be too high√ You should suspect that （）.

A.the engine was over filled
B.there might be a fuel leak
C.there might be a water leak
D.all of the above