... reciprocating die 往复冲模 reciprocating needle 往复走针 reciprocating press tool 往复压具 ...
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The reaction kettle each valve adopts of the needle valve, reciprocating closed form, sealing is reliable and durable, all kinds of valve is reasonable, bleeder unblocked and no dead Angle.
反应釜各阀采用针形阀，往复关闭形式，密封可靠经久耐用，各类阀安装合理，泄放畅通，无死角。
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