单词	blood ring
释义	blood ring 血窦环
随便看	flux copper backing method flux copper backing methodfcb flux copper backing welding flux copper backing weldingfcb flux cord welding rod flux-cord wire flux cored arc welding flux-cored arc welding flux cored are welding flux cored electrode flux-cored electrode flux-cored electrode tubular electrode flux-cored solder wire flux-cored solder wires flux-cored steel pipe flux-cored welder flux cored welding flux-cored welding Flux-Cored Welding Wire flux cored wire flux cored-wire flux-cored wire Flux cored wire for surfacing flux core wire flux-core wire electrode