Sicromal
铝铬硅耐热钢
🗣️ 情景例句
In my opinion, winter in Beijing is not very cold.
我觉得北京的冬天不是特别冷。
Your niece is engaged,isn't she?
你的侄女订婚了，是吗？
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。