短語(yǔ)詞組短語(yǔ)falling -weight impact instrument 落重沖擊儀falling net weight test 沖擊試驗(yàn)falling net weight 落錘falling g weight test 落錘試驗(yàn)falling weight impact test 落錘沖擊試驗(yàn)falling weight deflector 落錘式彎沉儀handhold falling weight deflectometer 手持式落錘彎沉儀 返回 falling weight