... 上行下给式up-feed system 下行上给式down-feed system 单向供水one way service pipe system ...
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down feed system 下给系统 ; 下行上给式 ; 上分式系统
one pipe down feed system 单管降给制
Blow down feed system 落压式挤压系统
steam-heating down-feed system 上行下给式蒸汽供暖系统
down feed two-pipe household system 上分双管式户内系统
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This product is the new model of JUKEON brand which is specially developed for shoes, this brace sewing machine equipped with up and down feed system, had obtained many national patents.
本机型是重科专为鞋类开发，具备上下复合送料的曲臂缝纫机获得国家多项专利产品。
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