COMAC announced the completion of the first static strength test for the C919's airframe in December 2020.

中国商飞宣布于2020年12月完成C919机身的首次静强度测试。

For the straight-knee strength test, however, males had a higher 15.5 percent increase in strength compared to a lower but notable 8.7 percent increase in females.

然而，在直膝力量测试中，男性力量增加了 15.5%，而女性力量增加了 8.7%。