Some people fear the sun tanning, or because of the sun and grow freckles, dark spots, so a lot of sunscreen on the skin surface smear cream, you want to prevent the UV rays.
在皮肤表面涂上防晒面霜的人，其意图即是想在皮肤上形成遮日的护膜，以防止紫外线对皮肤造成伤害。
Construction craft: usable wool brush, uniform saturated used for stone material surface, should smear evenly on the surface, not too little.
施工工艺：可用羊毛刷，均匀饱和用于石材表面，应均匀涂抹于表面，不可过少。
Furthermore, if throw is constant, the mud contents in faulted strata will be high. When fault moves across with each other, the continuity of smear at fault surface will be better.
而且在断距一定的情况下，断移地层的泥地比高，断层错动时对断面涂抹的连续性就会很好。
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