uncommon metal
常见例句
- Since metal roofing for domestic housing is still uncommon in Europe, the emphasis here id more for use in agricultural buildings, enabling better climate control to be obtained.
因为国内房屋的金属屋顶在欧洲任然不普遍，所以，这里的重点是更多的应用于农业建设，可以更好的控制气候变化。
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