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

單項選擇題

In order to inspect both piston and cylinder wall thoroughly, the cylinder cover should be taken off and the piston should be （）.

A.craned out
B.rolled out
C.lifted out
D.turned out

你可能感興趣的試題

單項選擇題

In order to increase the wearing resistance, the cylinder liner surfaces are sometimes （）.

A.aluminum-plated
B.bronze-plated
C.zinc-plated
D.chromium-plated

單項選擇題

In order to ensure the safety of the ship and its equipment during UMS operation, certain essential functions （）.

A.must be provided
B.may be provided
C.have provided
D.can be provided

<ruby id="275jc"><xmp id="275jc"></xmp></ruby>