This adjustment handle and brace are to be a pre-combiner, brace sealing-off caused by driving fiercely for screwed plug when welding does not exist.是什么意思_This adjustment handle and brace are to be a pre-combiner, brace sealing-off caused by driving fiercely for screwed plug when welding does not exist.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句