polymethylene 中文意思是什麼
polymethylene
解釋
【化學】聚甲撐，多亞甲基。-
Mdi testing methods for polymethylene polyphenyl polyisocyanate testing methods for polymeric mdi
聚甲烯聚苯聚異氰鹽酸的測試方法 -
Occupational exposure limit for polymethylene polyphenyl isocyanate in the air of workplace
車間空氣中多次甲基多苯基多異氰酸酯職業接觸限值
分享友人