helmet proper 中文意思是什麼
helmet proper
解釋
全封閉式頭盔-
Bike shops are experts at proper helmet sizing and adjustment, and are happy to correctly adjust or re - adjust your helmet for you
自行車店的頭盔是特有的尺寸的頭盔及可調節的,而且願意幫你調節或者從新調節頭盔的尺寸。
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