Febrite
费布赖特镍铬铁耐热合金
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。