超声法清洗材料和元部件的标准规程的英文

standard practice for cleaning of materials and components by ultrasonic techniques

• 法:    law
• 清洗:    wash; clean; rinse
• 材料:    material
• 和:    mix; blend
• 元:    first; primary
• 部件:    component; unit; p ...
• 的:    4次方是 The fourth po ...
• 程:    rule; regulation