_____ water is more expensive than fresh waterIt has high specific heat and low viscosity.

How far water drops to the turbines in a power station is known as ______ .A．the headsB．th

The most common cause of lowering the crankcase lube oil flash point is _____.A.more water

A centrifugal fuel oil purifier should be shut down if ________.A.more sealing water is ne

Furniture made of pure wood is certainly more expensive than______made of other materials.

Natural gas is used in Bremo to heat water because______.A．it produces more steamB．it caus

More quickly than anyone could have imagined, East Germany is being ____________ in th