air lock valve气: gas煤气闸阀: gas gate valve气闸: air brake; man lock; gas lock; damper plate闸阀: brake valve tee; damper valve; discharge gate; drawgate; gate ale; gate vale; gate valves; gated valve; gatevalve; guillotine-alve; slug type valve; sluice ale; sluice valeve; sluice valve; sluicevalve废气闸: waste-gas damper下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:气闸阀，即可在微信中查询翻译
