“保护层”造句

敏感肌肤专用面霜不会破坏皮肤表面的保护层。
Sensitive Cream will not strip away the skin's protective layer.

从开始孕育时,花芽便具有一层由苞片和鳞片构成的保护层.
They have a protective cover of bracts and scales from time of intiation.

所有埋设的管道必须涂上保护层,以防生锈腐蚀.
All buried lines are coated with a protective covering to save them from corrosion.

• #保护层