- 重点词汇
- 白铁
tinplate; galvanized iron; white iron; sheet metal
- 加工
process; maching; working; machine; processing; treatment
- 下料
laying-off; baiting
- 方法
method; way; means; manner; road; avenue; gateway; route; measure; approach; mode; system; channel; medium; methodology; formula; prescription; recipe; technique; tool; device; instrument; mechanism; mechanic; tack; line; view; lever; technical