来自高劲松的问题
英语翻译AutomaticvalvesightglassFlatgaskettee以上恳请帮忙measuyingpointteereducedpipeweldingneckflangepipeelbowhexscrew
英语翻译
Automaticvalvesightglass
Flatgaskettee以上恳请帮忙
measuyingpointteereduced
pipeweldingneckflange
pipeelbowhexscrew
1回答
2020-02-07 01:01