e) Prior to pickling, all heavy deposits of oils, greases, soils or foreign matter other than millscale, rust or rustscale shall be removed by precleaning as cited in 5.1.
酸
前，除了铁鳞、铁锈之外，诸如油、油脂、土或杂质等所有的重沉淀物均应通
来除，如5.1中所述。
涤,
e) Prior to pickling, all heavy deposits of oils, greases, soils or foreign matter other than millscale, rust or rustscale shall be removed by precleaning as cited in 5.1.
酸前，除了铁鳞、铁锈之外，诸如油、油脂、土或杂质等所有的重沉淀物均应通来除，如5.1中所述。
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