你可能感興趣的試題

單項(xiàng)選擇題

Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.

A.read/sufficient
B.consult/sufficiently
C.read/sufficiently
D.consult/sufficient

單項(xiàng)選擇題

When we say that two objects have relative motion, we mean （）.

A.the distance between them remains the same
B.the distance between them is changing
C.the position between them is not changing
D.their positions to the earth remain the same

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The rotating range of the low speed diesel engine is usually lower than （）.

你可能感興趣的試題

Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.

When we say that two objects have relative motion, we mean （）.