stainless steel
精钢计时袋表,生产于1970年。
Stainless steel pocket watch, produced in 1970.
youdao
使用超纯精钢锻制,使用寿命延长80%。
High Quality steel - Ultra clean steel to extend bearing life by up to 80%.
特点:采用专利精钢门环弹簧,超强回弹力,坚固耐力。
Feature: Uses copyrighted chain spring with super bounce back and durable.
词语解释jīng gāng ㄐㄧㄥ ㄍㄤ 精钢(精钢)
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