得到正式认可的清洁方法是工业喷砂处理。
The approved method of cleaning is industrial sand-blasting.
一种小型的射吸式喷砂枪，可用作喷涂喷焊前的表面清洁毛化处理。
A mini-sized sand-blasting gun of ejection-and absorption type, used to clean and roughen the metallic surfaces for thermal spraying.
生产方法包括清洁处理、喷砂、喷漆等步骤。
Its preparing process includes such steps as cleaning, blasting sand and spraying paint.
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