The effect of the surface of micro-defects of tin plate steel (TFS) used for food packaging to the quality of food was studied.
研究镀铬钢板表面微观缺陷对其所包装食品的影响。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Main materials: copper, aluminum, iron, stainless steel, tin plate, zinc alloy, tin lead alloy etc.
主要材料有铜、铝、铁、不锈钢、马口铁、锌合金、铅锡合金等。
We have over 10 machines for steel ball manufacturing and filtering. And, one plating line is ready and it can plate nickel and tin.
本公司有生产和分选导电钢珠珠的专业设备十几台，并且建有一条专门的电镀生产线，为本公司的产品电镀锡和镍。
We have over 10 machines for steel ball manufacturing and filtering. And, one plating line is ready and it can plate nickel and tin.
本公司有生产和分选导电钢珠珠的专业设备十几台，并且建有一条专门的电镀生产线，为本公司的产品电镀锡和镍。
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