Alloy design parameters and application of the plough plate take in armoured face conveyor with side discharge unit and explain its main parameters.

就侧卸式刮板输送机犁煤板的功能及设计参数进行了分析，提出了犁煤板的主要设计参数。

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Strong self-suction pump is a kind of mechanical self-suction pump with unique vacuum unit. It can discharge completely air of suction side making running conditions for the pump.

强自吸泵为机械式自吸泵，具有独特的吸真空装置，可将泵的吸入侧空气排净，达到泵正常运转的条件。

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