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

<ins id="txgbo"><output id="txgbo"></output></ins>

<ruby id="txgbo"><xmp id="txgbo"></xmp></ruby>

<pre id="txgbo"><strong id="txgbo"></strong></pre>

<ins id="txgbo"></ins>

單項選擇題

A heater in the circuit facilitates warning of the engine prior to （） by circulating hot water.

A.starting
B.stopping
C.to start
D.to stop

你可能感興趣的試題

單項選擇題

A gudgeon pin in a trunk piston may be free to float and rotate, with （） to limit axial movement.

A.split pins
B.crankpins
C.dipsticks
D.circlips

單項選擇題

A governor automatically controls engine speed by regulating （）.

A.fuel supply
B.firing order
C.engine load
D.oil level