Archaeologists soon used plastic sheets to cover them forprotection.
考古专家随即就用塑料纸覆盖表面作为保护。
2
Application designers and developers must be responsible for this protection because SOAP-DSIG does not define anything to cover such attacks.
应用的设计和开发人员必须负责提供这种保护，因为SOAP - DSIG未对这种攻击作出任何定义。
3
This machine equipped with the protectioncoverfor the mounting head, clamps, lever and bead breaker shoe, to avoid the damage for the aluminum alloy rim.