external pump gear 外部泵齿轮
pump with external bearing 外轴承泵
external gear oil pump 外齿轮油泵
external gear pump coupling 外啮合齿轮泵联轴器
external vane pump 偏心旋转泵
external gear rotary pump 外啮合齿轮泵
external charging pump 外部充油泵
external gear-type oil pump 外啮合齿轮式油泵
External meshing gear pump 外啮合齿轮泵
The spare 780-pound coolant pump, built by Boeing, is mounted on an external platform just in front of the station’s airlock module, relatively close to the faulty pump module.
备用冷却剂泵由波音公司制造，重780磅，刚好安装在空间站气闸舱前部的一个外工作面上，相对接近于故障泵模组。
The spare 780-pound coolant pump, built by Boeing, is mounted on an external platform just in front of the station's airlock module, relatively close to the faulty pump module.
备用冷却剂泵由波音公司制造，重 780磅，刚好安装在空间站气闸舱前部的一个外工作面上，相对接近于故障泵模组。
These two kinds of internal gear pump working principle and external gear pump working principle the same.
这两种内啮合齿轮泵的工作原理和外啮合齿轮泵的工作原理相同。
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