The protection switch prevents this.

保护开关可防止这种情况。

youdao

Equipped with safety protection switch.

装有安全保护开关。

youdao

Because our electrical boxes must be used are not grounded in Germany, the protection switch.

因为我们的电箱必须使用未接地在德国，保护开关。

youdao

Not according to a new econometric study that concludes no more than 20% of existing coal generation is likely to switch over to gas, even if the Environmental Protection Agency drives up the cost of coal generation and gas prices stay at their current, low rates indefinitely.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests

In order to guard against the generics, Forest is trying to switch patients from Celexa to Lexapro, which still has years of patent protection.

FORBES: Magazine Article

That leads to another potential upside for Merck: It could switch patients from Zocor to a Zocor-Zetia combination pill before Zocor loses patent protection in 2006.

FORBES: Merck And Schering-Plough's Zetia OK'd