Parafin was emulsion is used to humidify when the fiberglass is produced.
Parafin was emulsion is used to humidify when the fiberglass is produced.
拉制玻璃纤维原纱时采用石蜡乳剂作浸润剂，其含量不大于2.2%。
Parafin was emulsion is used to humidify when the fiberglass is produced.
拉制玻璃纤维原纱时采用石蜡乳剂作浸润剂，其含量不大于2.2%。