The invention discloses a method for preparing freezing pre-fry starched split fillet which includes steps as follows: preparing raw material;
本发明公开了一种冷冻预炸裹浆鱼片的制备方法，包括如下步骤：准备原料；
A locally heating and extruding technology for steel material with shaped cross-section includes preparing raw material, local heating steel blank, and extrusion forming with mould.
本发明提供了一种异形截面钢材局部加热挤压工艺及其装置。工艺过程包括原料准备，对钢坯进行局部加热及通过挤压模挤压成型。
Pyrolusite is an important raw material of preparing manganese sulfate, and about 60% manganese sulfate was produced by pyrolusite.
软锰矿是生产硫酸锰的重要原料，世界上约60%的硫酸锰由软锰矿加工制得。
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