Please Use cool water to wash this sweater, otherwise, it will______.A．condenseB．compressC

Vents are led from the engine to head tank _____ from the cooling water.

Hardly had the engine started ______ the temperature of the cooling water suddenly rose up to 40℃.

Which of the following conditions will develop if the flow of ‘raw’ cooling water to diesel engine is obstructed？

We use _____ to distill fresh water from sea water.

Farmers use water in many ways.（) they use water to grow crops.A.In factB.For exampleC.B

One way for the region to use water efficiently is to ______.A．develop other enterprises t