1)derusting,去锈2)derusting and rust proof,去锈防锈3)mechanical descaling,机械去锈4)derust,除去锈5)descale,除去锈皮6)tolerant coatings for rusty surface,不去锈底漆
用法例句
A new kind of drawing lubrication system is developed The system can be used as mechanical descaling and surface pre coating to replace acid pickling,and can decrease the production cost of steel wire and benefit environmental protectio
