Water Submetering is a very widely accepted form of utility cost recovery. 分水表是一种广泛接受的公共事业成本回收设备。
The continuous induction hardening technology for large-scale plate parts of metal recovery equipment has been investigated. 研究了金属回收设备上的板状零件大平面板件的连续感应淬火工艺。
In view of the status quo of small capacity and low operation level of domestic sulfur recovery units, technicals revamping options suitable for Chinese refineries were proposed. 针对我国炼油厂硫回收装置规模较小，操作水平偏低的现状，提出了适于我国国情的技术改造意见。
