____系指由经主管机关认可的有关当局或代其行事的经认可组织根据认可标准所认证的在易燃气体环境中操作为安全的电气设备
A、防爆安全类型C
暂无解析
________youhadbeenhere,wewouldn’thavehadsomuchtroublethen.
翻译：fyoumakeusanofferatcompetitivepriceswecansellalargequantityofchemicalproductinourdistrict.
WilliamFaulknersetmostofhisworksintheAmerican(),withhisemphasisonthe()subjectsandconsciousness.
Idon’tmind_______thedecisionaslongasitisnottoolate.
Nobodybutyou_______whathesaid.
