前泵公称排量 Fore pump nominal displacement
前泵主动齿轮 front pump driving gear
前泵输出 front pump output
前泵房 forward pump
前泵压力表 front pump pressure gauge
前泵反流信号 front pump negative flow signal
前级泵 [机] backing pump ; forepump
前泵排量 front pump displacement
前置泵 booster pump ; forepump ; front-mounted pump ; prepump
往复泵启动前必须将排出管路中的阀门打开。
Reciprocating pump discharge pipe must be before the start of the valve to open.
有一种突变的基因能够调控肿瘤细胞使其在化疗药物发挥作用前将药物泵出细胞外，从而具有抗药性。
One probably made the cancer drug-resistant by enabling the tumor cells to pump chemotherapy drugs right out of the cell before they could do their work.
后向泵浦结构，输出信号的光功率相对高于前向泵浦输出信号的光功率。
The output powers of signals in backward pumping configuration are higher comparatively.
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