His doubts spring from too much experience of failure.

他的疑虑来源于他多次失败的经历。

youdao

Using gas spring tension and bias, high precision and low failure rate.

采用气弹簧张紧和调偏，精度高，故障率低。

youdao

Using gas spring tension and bias, high precision and low failure rate.

采用气弹簧张紧和调偏，精度高，故障率低。

youdao