To improve the reliability and real-time performance when monitoring the urban municipal sewer gas,a security monitoring and early warning system for sewer gas was developed and used in Chongqing City.
为提高城市市政下水道气体环境监测的可靠性和实时性,开发了市政下水道气体安全监测预警系统,并应用于重庆市下水道。
The simulated algorithm of random vibration on underwater pipelines for oil and gas
水下油气管道随机振动的模拟算法
Security Monitoring and Early Warning System for Municipal Sewer Gas Based on GPRS
基于GPRS的市政下水道气体安全监测预警系统
A Study on the Combustible Gas Monitoring System for Urban Sewerage;
城市下水道可燃气体监测系统的设计与开发
A Study on the GPRS-based Serwer Gas Monitoring System;
基于GPRS网络的下水道可燃气体监测系统的研究
Key Technology of the Combustible Gas Warning System for Sewerage
下水道可燃性气体预警系统关键技术研究
open-flued gas water heater
普通烟道式气体热水炉
a principal pipe in a system that distributes water or gas or electricity or that collects sewage.
一种在一个系统中用来分发水分或气体或电或下水道的主干管。
Sandstone reservoirs hold gas are mainly fan-delta under-water channel sand-body.
含气砂层主要是以扇三角州的水下河道砂体为主。
Development and Application of the Monitoring and Early Warning System for Urban Sewer & Septic Tank Combustible Gas
城市下水道及化粪池可燃气体监控预警系统研制与应用
The drain is blocked and the stink is simply unbearable．
下水道堵了，臭气真让人受不了。
an apparatus for exposing something to the air (as sewage).
把某物排到空气中的装置（如下水道）。
The smell of the drain is enough to make one throw up.
那条下水道的气味足以令人呕吐。
waste matter carried away in sewers or drains.
下水道或排水沟排出的液体废物。
Cyclic Water-flooding Technique Research on Sub-sea Distributary Channel Sands
水下分流河道砂体周期注水技术研究
The Relevance of Airway-related Receptor Expression in Airway and the Bronchial Airway Remodeling
支气管哮喘气道受体表达水平与气道重塑关系的研究
flueless (sink) gas water heater
无烟道式（盥洗盘）气体热水炉
open-flued (fanned draught) gas water heater
普通烟道式（机动排烟）气体热水炉
instantaneous open-flued (natural draught) gas water heater
即热普通烟道式（自然排烟）气体热水炉
air lubrication system
船体水下部分空气润滑系统