acid cleaning meaning

• [Engineering]
  "The use of circulating acid to remove dirt, scale, or other foreign matter from the interior of a pipe."

• Efficient method and measure of silicic acid cleaning during the new unit preoperation
• It is probably present in chromic acid cleaning mixtures along with the mixed chromosulfuric acid H 2 CrSO 7.
• To clean the parts, applications of joint-weakening flux and expensive acid cleaning baths have traditionally been required.

• "acid cleaning" meaning in Chinese: 酸洗
• "acid cleaning" meaning in Japanese: 酸洗浄｛さん せんじょう｝
• "acid cleaning" meaning in Russian: 1. очистка травлением в кислоте2. тепл. кислотная промывка