Tool lock seat make it easy to change tool.

配备锁刀座，刀具更换方便。

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Seat belts are the only mandatory equipment, and the increase in car buying hasn't boosted demand for airbags or anti-lock brakes, automakers said.

安全带是强制安装的设备，但是增加的汽车购买者并没有对安全气囊或防抱死制动系统的需求，汽车制造商说道。

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Threaded seat rings for valves in services with high velocity turbulent flow or thermal cycling should be lock welded to the body to avoid loosening. Please specify.

如果阀门用在高速流体(湍流)或热循环应用环境中，则螺纹阀座环应该锁焊到阀体上，避免松落。请在订购时加以指定说明。

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One example of this is in higher education, where the Department of Education has recently tried to define the credit hour in three discreet ways in a specific regulation, which would lock the system further into a seat time regulation you can read about it here.

FORBES: The Department of Education: Serious About Transformation