Senperm
森珀姆恒磁导率合金(硅镍铁合金)
🗣️ 情景例句
Where is your family from?
祖籍在哪里？
The meat packing industry is developing fast.
肉类加工业发展迅速。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。