All pipe lines, valves, and nozzles shall be isolated from the atmosphere by a blank, pipe cap, or plug when not being used.

当不在操作使用时，所有管线、阀门、和喷嘴应用盲板、管帽、或塞子使其和大气隔开。

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Distributor cap. Insulated cap that transfers high voltage from the distributor rotor to spark plug wires.

分电器盖。该盖子是绝缘的，确保高电压从分火头传输到火花塞导线上。

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On a distributor system, the secondary HT voltage produced by the coil is allocated to the appropriate spark plug via the contacts inside the distributor cap.

对于一个分接器系统，次级高压电被引到了合适的火花塞，通过在分电器内部的接触。

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We have been doing business with them." British Petroleum plans to plug the leaking oil well with an experimental well cap.

VOA: standard.2010.05.08

Steve has been a great friend, a tremendous colleague over the past four years, working on a whole range of energy issues, but also designing a cap to plug a hole in the middle of the Gulf of Mexico when nobody else could figure it out.

WHITEHOUSE: The White House

For comparison's sake, the Jawbone up is rated for up to 10 days but then again, you have to plug it in every time you want to sync, and the cap covering the charging piece is easy to lose.

ENGADGET: Fitbit announces the Flex wristband, a $100 fitness tracker to take on the Jawbone Up