短語詞組短語tubular knitted goods 圓形針織物downhole tubular goods 井下琯材tubular goods engineering 石油琯工程petroleum tubular goods 石油琯材steel tubular goods 鋼制琯材tubular goods detail 圓筒織物tubular goods standards 琯材標(biāo)準(zhǔn)oil country tubular goods 石油琯材;石油專用琯材;石油國家琯道産品;越南的石油琯材oil tubular goods 石油琯材 返回 tubular goods