interior upset pipe内: inner; inside; within加厚: intensification; thickening; ...管子: Guan Zhong外加厚管子: outside upset pipe加厚管: extra strong pipe; extra-strong pipe下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:内加厚管子,即可在微信中查询翻译