片语
crystalline E powder晶体粉末
Non-crystalline boron powder硼非结晶粉
crystalline graphite powder鳞片石墨粉
crystalline cellulose powder结晶纤维素粉
crystalline w powder结晶钨粉
self crystalline polyester powder coating半结晶聚酯粉末涂料
Appearance white crystalline or Powder质量标準
crystalline boron powder硼非结晶粉
Appearance white crystalline powder理化性质