BottomElevation - Defines how far down the camera is allowed to see.
底部高度-定义摄像机向下的视角。
2
Ultra excavation: cable trench excavation shall not exceed the bottomelevation. If ultra-dig in some places, obtain the consent of design units.
沟底超挖:开挖矿用电缆沟不得超过沟底标高,如个别地方超挖时,其处理方法应取得设计单位的同意。
3
Further, the paper discussed the necessity of using full concrete lining for the Xiaowan plunge pool and made new proposals for its bottomelevation, length and shape.