足跟和肘部保护垫及合成羊毛垫在本研究中并未使用。
Heel and elbow protectors and synthetic sheep skin were not used at all during this study.
自2004年起，每位士兵就已配备有一个带有额外保护垫的防弹背心。
Since 2004, every soldier has been issued a bulletproof vest with extra protection panels.
尤其地，这种保护垫能够更容易地附着于家用器具的外表面。
In particular, the protection pad can be more easily attached to the outer surface of the home appliance.
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