protective sleeve

基本解释

The outermost dilator can be used as a protective sleeve during pedicle tapping.
在进行椎弓根攻丝时，最外面的扩张器可起到保护性套筒的作用。
A reasonable design of protective sleeve is important for the safety and reliability of the sensor.
为使传感器安全、可靠工作，保护套管的合理设计非常重要。
The new cases include either a fold-down section in a bigger briefcase or a stand-alone protective sleeve that contains no extra clutter and can be readily viewed through the scanner.
新的便携式电脑包包括一个大公文包的下折部分或者一个独立的不包含其它杂物的保护性夹层，能够很容易地通过扫描设备来检查。

Pull it out of its protective sleeve and you'll instantly worry that someone's made a mistake and sent you a netbook in place of the monster you were expecting.
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The dual material case is available with high visibility orange trim with a black protective silicone sleeve to seal all ports.
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