He hopes to find ways to keep temperatures down: possibilities include painting the kurgans white to reflect sunlight away, and installing underground "thermo-pumps" to stabilise the temperature.
他但愿能够找到一种法子连结低温：很有可能搜罗把库刚概况涂成白色以即是阳光反射开，以及安装地下“热泵”使温度连结不变。
The installing and debug of the domestic laser director in underground oblique opening excavation are mentioned. The merit and notice of using laser director is mentioned too.
本文主要叙述了国产激光指向仪在地下斜巷掘进中的安装、调试以及使用激光指向仪的优点和注意事项。
Access control system: Reserve enough space for installing the access control system, underground garage and public area will install access control system.
门禁系统：每栋建筑内预留门禁系统穿线空间，地下车库及公共部分设立门禁系统。
This product has the characters of water and damp proof, inflexibility. It is the necessity of installing underwater electromotor and pump, and underground cables.
本产品用于深井电机、潜水泵、地下电缆等安装设备材料。绝缘防水、防潮、包扎后不开口，不脱落等特点。
Compared with gravity drainage system, it has the advantages of small pipe diameter and installing space, non-sloped suspended pipe, less sewage connecting and underground pipes and etc.
与重力排水系统相比，具有管径小、管道安装要求空间小、悬吊管无坡度、下水道连接管和埋地管少等优点。
Compared with gravity drainage system, it has the advantages of small pipe diameter and installing space, non-sloped suspended pipe, less sewage connecting and underground pipes and etc.
屋面雨水排水采用虹吸排水系统较重力排水系统，具有管径小、所需管道安装空间小、悬吊管道无坡度、下水道连接管和埋地管少等优点。
Compared with gravity drainage system, it has the advantages of small pipe diameter and installing space, non-sloped suspended pipe, less sewage connecting and underground pipes and etc.
屋面雨水排水采用虹吸排水系统较重力排水系统，具有管径小、所需管道安装空间小、悬吊管道无坡度、下水道连接管和埋地管少等优点。
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