99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<dl id="h7at2"></dl>

單項(xiàng)選擇題

Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.

A.compression
B.maximum
C.rated
D.oil

你可能感興趣的試題

單項(xiàng)選擇題

Fuel pump index is （）.

A.the viscosity index
B.the fuel oil contents
C.the starting speed
D.the reading at the rack

單項(xiàng)選擇題

Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.

A.have nothing to do with
B.having nothing to do with
C.have much to do with
D.having much to do with

<ruby id="fwmak"><output id="fwmak"></output></ruby>

<em id="fwmak"></em>

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