铜板

wǒ yǒu jǐ gè tóng bǎn

我有几个铜板。

I have several copper coins.

nóng chǎng zhǔ shǎng le tā bàn bǎ tóng bǎn

农场主赏了他半把铜板。

The farmer rewarded him with half a handful of copper coins.

tóng bǎn de jià gé

铜板的价格

the price of copper plate

tóng bǎn fáng fǔ gōng yì

铜板防腐工艺

copper plate anti-corrosion technology