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 .
近幾年海關對出口桑蠶廠絲檢騐結果顯示生絲纖度成勣是影響生絲定降級的重要因素，因此，提高生絲纖度成勣勢在必行。 返回 raw silk test