They set down the palanquin and knocked three times with a copper hammer.

他们放下轿子，以一柄铜锤敲了三次门。

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The pricing formulae for copper, which allow buyers to set prices after the cargo arrives, as well as the extensive use of hedging instruments, have helped blunt some of the price gyrations.

铜的定价模式和对冲工具的广泛运用缓和了价格波动，这种模式允许买家收货后再定价。

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That distinguishes them from synchronous motors that use a permanent magnet in their rotors instead of a set of aluminium or copper conductors.

这就把它们和在转子处使用永磁铁而非一套铝或铜导体的同步发动机区分开来。

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Set in a handsome copper-roofed villa on Valkosaari island, overlooking Helsinki harbour, NJK is feted as the capital's best crayfish restaurant, serving up more than 30, 000 of these fire-engine red crustaceans every season.

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In base metals, copper imports actually set a new record of 406, 937 metric tons.

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From January, 5p and 10p coins are set to be minted using steel instead of copper and will be 11% thicker.

BBC: Treasury 'should foot coin change bill'