box-type frame

基本解释

Anti - static type material box + stainless steel frame frame;
防静电型料框+不锈钢支架边框；
blog.sina.com.cn
Anti - static type material box + stainless steel frame frame; (advantage: beautiful appearance, light weight, strong, durable), material box with safety induction device.
防静电型料框+不锈钢支架边框；（优点：外形美观，重量轻，结实，耐用），料盒加装安全感应装置。
blog.sina.com.cn
This machine adopts box-type frame, needle take-up, looper staff, teeth, cup feed mechanism as well as auto lubrication equipment, it is really a high speed and high capactiy fur sewing machine.
该机采用箱式主体，针杆挑线、勾针勾线、齿盘送料，并装有自动润滑装置，是有关行业高速、高效毛皮拼缝缝纫机。
cnsewing.cn