The machinery associated with heaving in and running out anchor chain is the ___ . A. winch B. windlass C. draw works D. dynamic pay out system

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Thermocouples often be used to measure ________ in the machinery.

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The use of high-speed machinery improved the __________ of the factory.

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You can gain access to the machinery by removing the cover.

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The machinery had been wrecked so efficiently that police were sure it was a case of ( )

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单选题

Which of the following may be different for a ship to discharge oily mixtures resulted from machinery spaces when the ship is in or outside the special area?

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