B. Chemically treat non-galvanized, non-bonderized metal surfaces with a phosphate compound to assure optimum paint adhesion.

对非镀锌的和未涂防腐剂的金属表面进行磷化处理，以保证油漆的最佳附着效果。

youdao

B. Chemically treat non-galvanized, non-bonderized metal surfaces with a phosphate compound to assure optimum paint adhesion.

对非镀锌的和未涂防腐剂的金属表面进行磷化处理，以保证油漆的最佳附着效果。

youdao