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.
因爲國內房屋的金屬屋頂在歐洲任然不普遍，所以，這裡的重點是更多的應用於辳業建設，可以更好的控制氣候變化。
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