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單詞乎

protective barrier

protective barrier是什么意思、protective barrier怎么讀

protective barrier漢語翻譯

【化】 防護(hù)欄桿

protective barrier例句

  1. A wall or embankment, as in a mine or along a waterfront, that acts as a protective barrier.
    (坑內(nèi)的)堵壁、堤岸、擋土墻在礦井里或沿著水邊的墻或堤，用來當(dāng)作當(dāng)保護(hù)物的障礙物
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