Residual blast products shall be removed from the cleaned surfaces by using clean, dry, compressed air.

应使用清洁，干燥和压缩空气的方法将残余的喷砂物从清洁的表面去除。

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Residual blast products shall be removed from the cleaned surfaces by using clean, dry, compressed air.

应使用清洁，干燥和压缩空气的方法将残余的喷砂物从清洁的表面去除。

youdao