spring balance是什么意思 spring balance怎么读
spring balance的英文翻译是什么意思，词典释义与在线翻译
Noun:- a balance that measure weight by the tension on a helical spring
spring balance的用法和样例
用作名词 (n.)
- A portable torsion balance is used for weighing.
用一台轻便的弹簧秤称重。 - That is, the reading of the spring scale has been increased by an amount equal to the buoyant force.
这时弹簧秤称得的数值增加到和浮力相等的量。
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