screwing-type bone nail with self-lock 旋入式自锁随髓内针
intramedullary nail with lock 带锁髓内钉
revolving self-lock nail 旋入式自锁髓内钉
In response to those restrictions, grain-importing countries are trying to nail down long-term trade agreements that would lock up future grain supplies.
为应对这些限制，粮食进口国正试图敲定长期贸易协议，以锁定未来粮食供应。
A combination lock, a travel alarm clock, nail clippers, spare batteries for the camera and a bit of laundry soap are always needed, regardless of your destination.
无论你去哪，一个密码锁，一个旅游闹钟，指甲刀，相机的备用电池以及一些洗衣香皂，总是不可或缺的。
Objective To evaluate the clinical effect of intramedullary nail with lock on long tube bone fracture.
目的评价带锁髓内钉在长管状骨骨折中的临床疗效。
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