單項選擇題

It is important to use only pure lead and to choose a thickness of wire which is greater than the normal allowable clearance but （） this amount.

A.not less than twice
B.greater at least twice than
C.not greater twice than
D.larger three times than

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單項選擇題

It is important that the water （） very often as this can lead to increased deposits.

A.not be changed
B.be changed
C.should not be changed
D.should be changed

單項選擇題

It is abnormal that when the engine is being turned by the turning gear or by hand, （）.

A.water discharges from the indicator cocks
B.no water is leaking into crankcase
C.no water in the scavenge belt
D.the rpm is lower than the speed of Dead Slow Ahead

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It is important to use only pure lead and to choose a thickness of wire which is greater than the normal allowable clearance but （） this amount.

你可能感興趣的試題

It is important that the water （） very often as this can lead to increased deposits.

It is abnormal that when the engine is being turned by the turning gear or by hand, （）.

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