spring lever造句

例句与造句

1. Archibald Binny created a spring lever, which improved the efficiency of type casting.
2. Portability : One spring lever to fold; really light.
3. Woodie's G-Band capos clamp 1 or 2 outer strings, and Kyser now makes a series of " K-Lever " capos that incorporate a spring lever to allow temporary fretting of some notes that lie under the capo.
4. It's difficult to find spring lever in a sentence. 用spring lever造句挺难的