單項選擇題

In a vacuum distillation system, the case is the higher the pressure, （）.

A.the saturation temperature is higher
B.the higher the saturation temperature
C.the higher is the saturation temperature
D.the saturation temperature is more high

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單項選擇題

A hydraulic machine is one that uses （） to do work.

A.liquid
B.steam
C.gas
D.electricity

單項選擇題

If oil density were greater than water’s, the oil separator （）.

A.did work
B.would work well
C.didnt work
D.wouldnt work

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In a vacuum distillation system, the case is the higher the pressure, （）.

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A hydraulic machine is one that uses （） to do work.

If oil density were greater than water’s, the oil separator （）.