这些烟囱管帽纯属装饰。
不用管那个人是不是真的有一个棒球帽，反正我就把他想象成一个自己讨厌的角色：在饭店带着一个棒球帽。
It didn't matter that the object of my affection didn't even own a baseball cap, an effective technique I used to "turn myself off" to him was to imagine him wearing a baseball cap in a restaurant.
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。
All pipe lines, valves, and nozzles shall be isolated from the atmosphere by a blank, pipe cap, or plug when not being used.
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