弹簧秤 [计量] spring balance ; spring dynamometer ; spring gauge ; spring balance

约利弹簧秤 [计量] Jolly spring balance

悬式弹簧秤 hanging spring balance

婴儿体重弹簧秤 baby spring scale

扭力弹簧秤 torsion spring balance

小包弹簧秤 bundle scale

补偿弹簧秤 compensated spring scale

手拉弹簧秤 hand spring scale

手提式管状弹簧秤 Tubular spring balances

石英弹簧扭力秤 quartz spiral-torsion microbalance