什麼是 lever-arm-balance？
The lever arm balance is useful for trial weighing and reading directly in gm. Double range, change from one range to another is accomplished by rotating a hinged arm
截圖
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X 上關於 lever-arm-balance 的真實討論
去 X 發文The lever arm balance is useful for trial weighing and reading directly in gm. Double range, change from one range to another is accomplished by rotating a hinged arm
還沒有評論，來搶沙發吧！
X 上關於 lever-arm-balance 的真實討論
去 X 發文