面板在温暖的天气下自动打开，提供通风，作为太阳能保护装置，也有助于声学，并且在打开时作为防火排烟口。
The lozenges provide ventilation by opening automatically in warm weather, act as solar protection, contribute to the acoustics and open as smoke vents should fire break out.
这种台面叫企口合面板，有很好的防水能力。
This table is called Match-together panels, have a good waterproof capability.
本文基于已进行的西北口混凝土面板堆石坝的原型观测埋设工作，针对此种坝型的特点，总结。归纳并讨论了其原型观测布置的若干原则与例证。
Based on the prototype observation of Xibeikou concrete face rockfill dam, the paper summarizes and discusses some of the observation arrangement principles and presents several typical examples.
本文基于已进行的西北口混凝土面板堆石坝的原型观测埋设工作，针对此种坝型的特点，总结。归纳并讨论了其原型观测布置的若干原则与例证。
Based on the prototype observation of Xibeikou concrete face rockfill dam, the paper summarizes and discusses some of the observation arrangement principles and presents several typical examples.
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