关闭泄放阀
Close the drain valve
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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.
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应用推荐
模块上移
模块下移
不移动