介绍了晶纹镀锡中重熔工序的操作要点和安全要求。
Operating hints and safety requirement of re melting in crystal pattern tin plating were introduced.
连续环剥或过量应用PP 333加重轮纹病的发生。
Continuous circular peeling and surplus application of PP333 aggravated the disease.
胶原蛋白精华能迅速增加肌肤胶原蛋白的含量，去纹抗皱，重展充盈弹力，回复紧致青春的肤质。
Collagen skin cream can rapidly increase the collagen content, to profile anti-wrinkle and stretch re-filling show, reply compact youthful skin.
胶原蛋白精华能迅速增加肌肤胶原蛋白的含量，去纹抗皱，重展充盈弹力，回复紧致青春的肤质。
Collagen skin cream can rapidly increase the collagen content, to profile anti-wrinkle and stretch re-filling show, reply compact youthful skin.
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