protective coal seam的用法和樣例:
例句
- The glass window had a protective overcoat applied to it.
玻璃窗塗有一層保護層。
- All buried lines are coated with a protective covering to save them from corrosion.
所有埋設的管道必須塗上保護層,以防生鏽腐蝕。
protective coal seam的相關資料:
臨近單詞
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