Install, operate and maintain wastewater pilot system at project site.

安装, 运行以及维护位于工地现场的污水中试装置.

互联网

The pilot system to sell tickets based on IDs was launched last week.

而这个基于身份证售票的系统已经在上周登陆.

互联网

Created cost to use as new as pilot system.

创造了成本运用与控制的新体系.

互联网