hoisting and rigging osha的意思
hoisting and rigging osha中文翻譯：
吊裝和索具osha
相似詞語短語
hiring and firing───任免
sitting and standing rooms───起居室和起居室
sitting and standing room───起居室和起居室
standing riggings───固定索具
青年中文吊裝和索具osha
hiring and firing───任免
sitting and standing rooms───起居室和起居室
sitting and standing room───起居室和起居室
standing riggings───固定索具