... 机 machine; engine 装封箱 case filling and sealing 简装封面 self-cover ...
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case filling and sealing machine 装封箱机
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The water filling and pressure maintaining system mainly included: pressure pump and its control device, blockage end at the spiral case inlet, sealing ring on the stay ring of turbine, etc.
蜗壳内充水保压系统，主要包括加压水泵及其控制装置、蜗壳进口闷头、座环密封环等组成。
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