multisection spring needle machine 多节钩针针织机 ; 多节钩针机
circular spring needle machine 圆型钩针纬编机
double-head spring needle knitting machine 汗绒布二用针织机
head spring needle knitting machine 汗绒布二用针织机
spring beard needle machine 弹簧针针织机
But if I'm accelerating, the force exerted by the spring and therefore, the needle the weighing machine reads is m.
但是如果我在加速运动,那么弹簧的弹力,也就是称重机上指针的读数就是 m
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