Caustic soda is a special valve designed to use this feature.
烧碱专用阀就是利用这一特点设计的。
To prevent misuse, and some special valve and use a special connector between cylinders.
为了防止误用，有些专用减压阀与钢瓶之间采用特殊连接口。
Import boxes are a special form of cut-off valve.
进口隔膜阀是一种特殊形式的截断阀。
With the special pressure reducing valve, works more safe and steady.
配置专用的减压阀，使用更加安全可靠，质量稳定。
Special rapid release vent valve, mold down.
特制急速放泄阀门，开模下降。
Special rapid release vent valve, mold down.
特制急速放泄阀门，开模下降。
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