retractive
短语词组
- Retractive index 折射率
- retractive stress 收缩应力
- retractive force 回缩力;收缩力
- Retractive forces 后牵引
- Arch Retractive Switch 窄面开关
- pathological retractive ring 释义病理性收缩环
- heavy retractive pruning 重回缩修剪
- relay retractive spring 继电器复原弹簧
- retractive tube expander 收缩式胀管器 返回 retractive