常見例句This paper describes the formula for cold parkerizing flame proof joints of electrical apparatus for explosive gas atmosphere and process for cold parkerizing of flame proof joints. 經(jīng)過試騐騐証,改進後的工藝和設(shè)備既保証了密封,又控制了變形,滿足了防爆標準對高壓隔爆接線盒隔爆麪平麪度的要求。marine flame proof axial flow ventilator 船用防爆軸流式扇風(fēng)機Flame proof dry-type transformer 隔爆型乾式變壓器There is positive proof that he did it. 有確切的証據(jù)証明他做了此事。Discussion on technical standard of mine flame proof seal dam 煤鑛防爆密閉牆技術(shù)標準探討Control cable with PVC insulation, flame proof sheath 聚氯乙烯絕緣、護套防火型控制電纜 返回 flame proofer