... 89 气体释放脉冲gas release pulse, GRP 90 气体疏导gas venting 91 地面释放脉冲ground release pulse, GRP ...
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gas-venting mast 通气桅
landfill gas venting trench 沼气通风槽
gas venting system 排气系统
Venting gas 碱性酚醛树脂砂
Fire proof vaults and toxic gas venting systems are not required.
防火地窖和有毒气体的排气系统是不是必需的。
The incoming gas delivery system and exhaust gas venting system are likewise protected by various methods.
输入气体传送系统和排气排放系统同样也通过各种方法而受到保护。
Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.
通过用漂浮的PP球更换标准球,重力球形止回阀可以改造为适用于空气或气体排气口。
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