However, no one could get comfortable with the risks of the helicopter work or proof testing the already distressed cables.

然而，没有人能够接受直升机工作的风险或对已经破损的电缆进行验证测试。

After that, they could perform proof tests remotely using the tie-down jacks to check if the remaining cables had at least 10% extra strength.

之后，他们可以使用系紧千斤顶远程执行验证测试，以检查剩余电缆是否具有至少 10% 的额外强度。