Repair worn parts of metal products by welding on extra layers.

通过焊接额外层，修复金属制品的磨损零件。

Repair worn parts of metal products by welding on extra layers.

焊接额外层以修复磨损金属制品的零部件。

Add extra layers of cardboard to the corners of your box and use plenty of Duct tape to hold it tight.

在盒子的角落处添加几层硬纸板，用大量胶带缠牢。

For this reason, AOL has partnered with a few companies to provide software that offers extra layers of protection.

出于这个原因，美国在线结合几家公司提供软件试图提供额外的防卫。

By adding extra layers of redundancy, the probability of such a catastrophic failure can — in theory at least — be made too small to worry about.

在增加额外的冗余层后，理论上，这种灾难性的系统失效的事故发生的可能性就非常非常小了。