raw silk test
常见例句
- The customhouse's test result about raw silk export show that raw silk size quality is a key factor affecting raw silk degradation, in order to improve raw silk quality, it is .
近几年海关对出口桑蚕厂丝检验结果显示生丝纤度成绩是影响生丝定降级的重要因素，因此，提高生丝纤度成绩势在必行。 返回 raw silk test