A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
Apart from our waking visions, our internal perceptions can trap us into not accepting reality.
当我们不清醒的时候，我们内心的幻想就会使我们不愿意接受现实。
This paper endeavors to use the internal cause of the "Keynesian trap" to explain the partial loss of efficacy in the Keynesian policy in China.
本文试图从凯恩斯陷阱内因来解析凯恩斯主义政策在中国部分失效的原因。
12-100 seal trap, the only hard wax like, demand for high temperature dissolution will light, this process will cause overheating of internal coating.
封釉——100圈套，那仅仅硬蜡之类的东西，需求用高温溶解才会亮光，这个进程会造成漆层过热内伤。
12-100 seal trap, the only hard wax like, demand for high temperature dissolution will light, this process will cause overheating of internal coating.
封釉——100圈套，那仅仅硬蜡之类的东西，需求用高温溶解才会亮光，这个进程会造成漆层过热内伤。
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