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微形多头丝杆 tr5.2*16(p=2)8个头 价格优惠
品牌：QF型号：tr5.2*16(p=2)8个头大导程微形多头梯形丝杆，高速运转形，高精密度，超适用低成本，用于小型低压电机传动部件，耐磨灵敏度高．适用于五金机电，医疗器械，电子行业等
