The construction and installation cost is an important component of a construction project and is also the main object controlled by the whole engineering cost.
建筑安装工程费用是建设项目的重要组成部分，也是工程造价控制的主要对象。
The invention component combines the high strength of the ceramic film tube and the macromolecule better air permeability, has a rapid degassing speed, lower cost, convenient installation and use.
本发明组件将陶瓷膜管的高强度和高分子高透气性结合起来，脱气速度快、 造价低、安装使用方便。
Each component is selected for overall system compatibility, durability and cost effectiveness. Each Kerr packaged system is skid mounted, pre-wired and pre-piped to simplify installation.
每个组件的选择都是为了整个系统的相容性，耐用性和成本效益。
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