插腳管底 的英文怎麼說
中文拼音 [chājiǎoguǎnde]
插腳管底
英文
pin cap type socket-
Metal scaffolding - couplers - specification for steel couplers, loose spigots and base - plates for use in working scaffolds and falsework made of steel tubes
金屬腳手架.第2部分:聯接件.第1節:鋼管腳手架和鷹架鋼聯接件松插口和底板規范
分享友人