... pinch valve tubing 钳制阀管道 tubing safety valve 管系安全阀 ; 油管安全阀 tubing check valve 油管底端止回阀 ...
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ball type tubing safety valve 油管球形安全阀
pressure-differential tubing safety valve 压差式油管安全阀
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Also all safety relief valve line branch line and tubing line for instrument will be dried and purged.
此外，所有安全卸压阀、支线和仪表管线应进行干燥和吹扫处理。
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