常見例句雙語例句The produced plating zinc and painting plastic double layers welded pipe (hereafter called PVF pipe) met the requirement of international technical standard.其生産的鍍鋅塗塑雙層卷銲琯（以下簡(jiǎn)稱PVF琯）達(dá)到有關(guān)國(guó)際技術(shù)標(biāo)準(zhǔn)。 返回 international pipe standard