问题
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Air trapped in the hydraulic fluid of a steering system should be indicated by _____.
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The amount of fluid delivered by a reciprocating pump can be regulated by _____.
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In a shell-and-tube type hydraulic fluid cooler, the amount of heat transferred from the h
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If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain
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The amount of fluid friction or internal friction inherent in a mineral lubricating oil is
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The child has a lot of presents and surprises waiting for her birthday. (翻译)