相比于C8,ld25采用的矩形螺纹(square thread)的手感要顺滑的多,C8与ld25均为的头部旋转调光,在这种调光方式下,ld25的使用寿命应该要优于C8。
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square thread screw pump 矩形螺杆泵 ; 矩形螺杆 ; 长方形螺杆泵 ; 矩形
screw pump with square thread 方形螺杆泵
square thread tap 方螺丝攻
Rounded pin square thread 圆形螺钉与四角形螺纹
square thread screw pump coupling 矩形螺杆泵联轴器
square-thread form 方螺纹样
square-thread tool 方螺纹车刀
left-hand square thread 左旋方形螺纹
hand square thread 左旋方形螺纹
Top view of square nut. Selection box represents thread diameter.
方螺母的俯视图。选择框代表螺纹直径。
Top view of square head set screw. Selection box represents thread diameter.
方头螺钉的俯视图。选择框代表螺纹直径。
Thread count is measured by counting the number of horizontal and vertical threads in one square inch of fabric.
线程数来衡量的数量水平和垂直线在一平方英寸的面料。
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