- 艾伦ài lún 
 Allen; Allan; Alan
- 六角匙liù jiǎo shí 
 Allen key
- 内六角扳手nèi liù jiǎo bān shǒu 
 socket head wrench; allen wrench; internal hexagonal wrench
- 铅青铜qiān qīng tóng 
 Allen's metal; lead bronze
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