英语词汇“grapple dredge”的翻译、意思、用法、释义-英汉汉英双解词典

单词	grapple dredge
释义	grapple dredge 基本例句抓斗式挖,泥机 Where tight dredging depth tolerances are required to dredge contaminated materials the bucket-type closed-grab dredger shall incorporate a visor.在挖掘受污染物料时，若严格规定了挖泥深度容限，则密封抓斗式的挖泥机应设置一个护罩。
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