单位时间内泵或风机所输送的流体量称为()。风机的容积流量,特指()。
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A spring line leads().
A. fore and aft from the ship's side
B. to the dock at a right angle to the vessel
C. through the bull nose or chock at the bow
D. through the chock at the ster
按规定变电所高压侧COSΦ>=0.9;若采用低压侧补偿,则低压侧COSΦ一般为()。
A. 1.85=0.91
B. COSΦ>=0.9
C. 0.92