QINGGUANG MARSH GAS SEALING MATERIAL FACTORY.
秦光沼气密封材料厂。
Double Overflow Inclined Hole Tray with Gas Edge Sealing
斜孔双溢流边缘气密封塔板
gas seals can be used for a variety of gas sealing occasions.
气体密封可用于多种气体密封的场合。
The primary function of sealing gasket is to prevent gas from leakage.
密封垫圈的主要作用是防止气体泄漏。
Improvement on Sealing Cells and Lubricating Device of Bearing in Gas Generator
煤气发生炉炉箅轴承密封及润滑装置的改造
A Study of the Second Hole Sealing Method to Improve Gas Drainage in Coal Seams
煤层瓦斯抽放钻孔的二次封孔方法研究
Determination of Rational Sealing length of Gas Drainage Holes and the Practice
瓦斯抽放钻孔封孔长度的确定与实践
A preliminary study on water sealing runnel drainage technology for gas drainage
水封式巷道瓦斯抽放技术探讨
Application and technical revamp of dry gas sealing of centrifugal gas compressor
离心式压缩机干气密封的应用及技改
The gas exhaust pipe is connected with the measurement system. The sealing tank is fixedplatform.
密封罐连接有进气管和排气管, 排气管连接测量系统。
The overpressure sealing system plays an important role in oil and gas migration and accumulation.
超压封盖对油气运聚有着重要作用。
Controlling factors of faults vertical sealing and its relationship with the pool formation of oil and gas
断层垂向封闭性的影响因素及其对油气成藏的控制作用
This paper deals with the formation conditions and mechanism of concentration sealing in caprock gas ability.
研究了源盖层浓度封闭作用形成条件及封闭机理。
The Controlling Effect of Deep Sealing Condition on the Formation of Gas Pool in the East of Daqing Placanticline
深层封盖条件对天然气成藏的控制作用
Thread sealing property in high temperature and high pressure gas wells is more important than that in oil wells.
高温高压气井对螺纹密封性的要求要比油井更为严格。
The oil in the paleooil reservoir is the quality gas source， and bitumen belt is a good natural gas sealing layer.
古油藏原油是优质气源，而且是天然气藏的良好封堵层。
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