There are a series of problems in batch production of plating chromium for lining inner bores of input tube in oil well pump such as parameter choice, clamp design, bath care and adjust.
油井抽油泵输入泵衬套内孔尺寸镀铬批量生产中存在着工艺参数准确选择、夹具合理设计、槽液维护和调整等一系列问题。
The health care bed can be simultaneously used for the herb bath with different herb water. The herb water can be conveniently replaced, and the use is safe.
本健康床可同时进行不同药水的药浴，更换药水方便，使用安全。
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