The technological flow and operation method of the on-line circular pickling and oil washing of the hydraulic pipeline of BF are discussed.
论述了高炉液压管线在线循环酸洗、油冲洗的工艺流程和施工方法。
In the production of samples, we found that the dimension A1 shown in drawing can be guaranteed by machining only. Once after processing, such as: to oil, phosphate, pickling, the dimension change.
中文需要重新组织语言，改为“在制作样品的过程中，我们发现图中所示尺寸A1，在仅进行机械加工的情况下，完全可以保证，可一旦在此之后进行深加工，如：去油，磷化，酸洗之后，该尺寸会发生变化。
In the production of oil and pickling process, Titanium oxide and rare earth elements of production, etc.
车辆喷漆前除油及酸洗处理；氧化钛、稀土元素的生产等。
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