英语词汇“propwash deflection unit”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	propwash deflection unit
释义	propwash deflection unit propwash deflection unit (plural propwash deflection units) A device that is placed over or behind the propeller of a boat to deflect the vessel's propwash downward. The result is a very effective form of agitation dredging. PDUs are primarily used by salvors to remove mud or sand from shallow water shipwrecks.
随便看	double-rail logic double rail motor crab double rail motor hoist double rail system double rail track circuit double-rail track circuit double rail-type hoist double rainbow double-ram hammer double ram press double ram type double-ram type double ram type BOP double ram type preventer double range doublerange double-range double range drive double range echo double range instrument double-range instrument double range porymeter doublerange porymeter doublerange porymetre double range porymetre

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