disc plug

The design and operation of taking off device of casting wheel in Baiyin Copper Smelter is described.

介绍白银有色金属公司冶炼厂 2 #圆盘浇铸取板机组的设计和工作运行情况。

Discussion on soy sauce brewing technology by low-salt and solid-state fermentation in the pond with spraying-extraction;

低盐固态原池淋浇发酵酱油技术的探讨