falling weight
短语词组
- falling -weight impact instrument 落重冲击仪
- falling net weight test 冲击试验
- falling net weight 落锤
- falling g weight test 落锤试验
- falling weight impact test 落锤冲击试验
- falling weight deflector 落锤式弯沉仪
- handhold falling weight deflectometer 手持式落锤弯沉仪 返回 falling weight