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Is a water break test performed every shift to ensure quality of pre-clean?
槽液测试是否每班测试一次以确保预清洁品质良好？
youdao
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It must be pre-painted in advance and keep the surface clean.
有机硅防污涂料系统对表面清洁要求很高，这些必须清除干净。
youdao
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It must be pre-painted in advance and keep the surface clean.
有机硅防污涂料系统对表面清洁要求很高，这些必须清除干净。
youdao