短語(yǔ)詞組短語(yǔ)oil l conservator 油枕metal corrugated oil conservator 金屬波紋式儲(chǔ)油柜transformer oil conservator 變壓器油枕bellows oil conservator for transformers 波紋管式變壓器儲(chǔ)油柜 返回 oil conservator