flame proofer

同根派生

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)過試驗驗證,改進后的工藝和設(shè)備既保證了密封,又控制了變形,滿足了防爆標(biāo)準(zhǔn)對高壓隔爆接線盒隔爆面平面度的要求。
marine flame proof axial flow ventilator
船用防爆軸流式扇風(fēng)機
Flame proof dry-type transformer
隔爆型干式變壓器
There is positive proof that he did it.
有確切的證據(jù)證明他做了此事。
Discussion on technical standard of mine flame proof seal dam
煤礦防爆密閉墻技術(shù)標(biāo)準(zhǔn)探討