字典網>> 英漢字典>> W開頭詞條>>welded flat head的意思 漢英字典welded flat head中文翻譯：【化】 焊接式平蓋; 焊接式封頭 welded flat head 相關詞條：welded construction welded connection welded gasket welded vessel welded element welded bonnet welded metal welded steel tank welded fitting welded (or solded) tube fitting