例句 /

Ferrous sulphate treatment improves the erosion rate of the AluBrass. The corrosion rates observed are however higher than that obtained with MEXEL 432.

Ferrous sulphate treatment improves the erosion rate of the AluBrass. The corrosion rates observed are however higher than that obtained with MEXEL 432.

硫酸亚铁处理改善铝黄铜的浸蚀率,然而其腐蚀率仍高于M.432处理。