释义 |
electric welding machine短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 电焊机 Problems of electric welding machine standards inspection and sampling methed are described, a new method of electric welding machine inspection and sampling methed is advanced. 简述了电焊机标准检查及抽样方法中存在的问题,提出了电焊机检查及抽样方法的新方法。 chemyq |