交叉电缆在学员小组(高度竞争的学员的一个重要特征)之间提供“气隙(Air Gap)”安全性。
The crossover cable provided "air gap" security between student teams, an important feature with highly competitive students.
连接通向地漏的排泄管的美国瓦茨气隙的安装将有助于处理通过安全阀排出的任何正常排放或有害的泄漏。
The installation of a Watts air gap with the drain line terminating above a floor drain will handle any normal discharge or nuisance spitting through the relief valve.
按照规程的要求，排出安全阀气隙和排放管道的空气。
Vent the air gap and drain line from the relief valve in accordance with code requirements.
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