jockey weight

• 活动砝码

jockey weight的用法和样例：

例句

1. Weighing instrument verification usually adopts direct plus weight method.
   衡器检定通常是采用直接加砝码法。
2. With the photoelectric tachometer and the stand weight, the same test was fulfilled.
   最后利用光电测速仪和砝码完成相同的实验研究。