false-leg jig

例句：

1. 1.The engineer used a false leg jig to fix the broken leg.
   工程师使用假腿夹具来固定断裂的腿。
2. 2.He was using a false leg jig while he was fixing his bike.
   他在修理自行车时使用了假腿夹具。
3. 3.The doctor said that the patient needed a false leg jig to help him walk again.
   医生说病人需要用假腿夹具来帮助他再次走路。