Plumbers charge by the hour for their work.水管工人的工作是以小時(shí)收費(fèi)的.Later skilled workers such as electricians and plumbers organized into unions.后來,像電工,管道工等技術(shù)工人也組織了工會(huì)....skilled workers, such as plumbers and electricians.管道工和電工等技...
Plumbers charge by the hour for their work.水管工人的工作是以小時(shí)收費(fèi)的.Plumbers caulk joints in pipe with lead, string or a caulking compound.管子工用鉛 、 繩子或?qū)Ｓ锰钕恫牧鲜构茏拥慕宇^不漏水.Later skilled workers such as electricians and plumbers organize...