[单选] If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

A . A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B . An electromagnetic brake will hold the load where it is suspended
C . The load will fall rapidly to the deck unless the foot brake is engaged
D . The load will slowly lower to the deck under control of the drag of the winch motor

以下哪个不是反馈（） A.聆听。 B.微笑。 C.身体前倾。 D.对于将来的建议。什么是焦耳-楞次定律？水稻是（）日照作物。以下关于客户经理个人形象的说法中，你认为正确的是（） A.客户经理个人形象反映着银行的整体形象。 B.客户经理个人形象只是客户经理个人的生活习惯问题。 C.客户经理个人形象在一定程度上代表着银行产品形象。 D.客户经理个人形象反映了客户经理对银行的信任程度。 One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（） seal water supply be cut off。 make up water supply be cut off。 oil outlet valve closed or not open sufficiently。 the flow rate of oily water is too much。 If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

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[单选] If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

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