如果用酸洗一下，效果最明显了。
铸铁护栏表面最好经过酸洗处理。
酸洗液不含硝酸，环境污染小。
The pickling solution has low pollution with no nitric acid.
表面光滑，氧化铁皮少，易酸洗。
焊好今后要对管件停止酸洗和钝化处置。
Welding in the future to the pipe to stop pickling and passivation disposal.
最后对化学酸洗工艺作了使用效果分析。
我们用一道叫做酸洗的工序来除去鳞片。
我们用一道叫作酸洗的工序来除去鳞片。
水压试验后怎么处理，是酸洗还是镀锌？
What's to be done after water pressure test? Acid flushing or galvanizing?
最佳的控制策略是仅用温度控制酸洗过程。
The best control strategy is using temperature to control the pickling process.
不锈钢除元钢外，通常都是经过酸洗呈现白色。
Stainless steel in addition to steel, usually after pickling white.
在酸洗过程中，化学试剂的接触通常式充分的。
During the acid wash step, chemical contact is usually sufficient.
与草酸洗是有效的。
不锈钢酸洗液腐蚀性能的评价不能采用腐蚀失重法。
Weight loss measurement can not evaluate the corrosion behavior of acid solution for stainless steel.
中间酸洗和氧化退火能较大幅度地降低氧化膜中碳的含量。
The extruding lubricant has the main effect on the carbon content.
为此，配制一定浓度的溶液分别对表面冷凝器壳程进行药洗、管程进行酸洗，取得了良好效果。
It is effective to wash its tube pass with some solution and its shell pass with acid.
为此，配制一定浓度的溶液分别对表面冷凝器壳程进行药洗、管程进行酸洗，取得了良好效果。
It is effective to wash its tube pass with some solution and its shell pass with acid.
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