safety relief and pressures relief valves adjustable blow down capacity certification排放: discharge; blowoff; blowdown ...量: measure capacity证明: prove; testify; bear out排放量的证明排放量认证，排放量鉴定: capacity certification排放量: discharge amount; discharge capacity; emission load; quantity discharged; relieving capacity; vent capacity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:排放量证明，即可在微信中查询翻译
