Water Submetering is a very widely accepted form of utility cost recovery. 分水表是一種廣泛接受的公共事業成本回收設備。
The continuous induction hardening technology for large-scale plate parts of metal recovery equipment has been investigated. 研究了金屬回收設備上的板狀零件大平面板件的連續感應淬火工藝。
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. 針對我國煉油廠硫回收裝置規模較小，操作水平偏低的現狀，提出了適於我國國情的技術改造意見。
