单选题:防腐蚀涂层采用喷涂法,除了使用溶剂性涂料时会造成环境的污染外,相对于刷涂和淋涂方法还存在的缺点是(  )。

题目内容:
防腐蚀涂层采用喷涂法,除了使用溶剂性涂料时会造成环境的污染外,相对于刷涂和淋涂方法还存在的缺点是(  )。 A.材料损耗大
B.覆盖不完整
C.涂膜厚度不均匀
D.劳动强度大

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