灌注 potting
双面双层十六头纱包机 16- head double-side douoble-rosette cotton covering machine
立式双层鼓轮 vertical double draft bull block
双层编包风雨线 weatherproof double braid
双层挤出(机)头 twin (extruder) head
双层鼓轮拉线机 twin capstan drawing machine
双头挤出、双层挤出 twin-head extrusion
双层的 twin-layer
橡皮绝缘双层编包线 rubber-covered double braided
双层环氧漆包圆铜电磁线 heavy epoxy-coated round copper magnet wire
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