7. To add rigidity, braces are sometimes fastened from the overarm to the knee.
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to add rigidity
增加刚性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
So when I got my custom bike, I told Seven Cycles this and they built in an oversized seat tube to add rigidity for my standing pedal stroke, an efficiency increase.
FORBES: Why You Need a Custom Road Bike
应用推荐
模块上移
模块下移
不移动