午夜精品久久久久久久久久久久,一本色道无码不卡在线观看,双性 大肚 怀孕 产乳h,xxxx日本少妇做受

CN | EN

News

02

2024-08

Rooted deep in the desert let green and oil dance

A few days ago, the research group composed of the "high-quality development look at energy"

26

2024-07

How much do you know about the 9 misunderstandings of valve installation?

Do you know the 9 misunderstandings of valve installation? Lets take a look!

19

2024-07

Multi-party cooperation to break the new volume to help domestic silicon carbide industry high-quality development

"The rapid development of the semiconductor industry is leading a new wave of global scientific and technological revolution and industrial change.

12

2024-07

What defects are prone to valve castings?

1. StomataThis is a small cavity formed in the metal by the gas that fails to escape during the solidification process, its inner wall is smooth,

05

2024-07

Two continental shale oil efficiency development test platforms have been built in Dagang Oilfield

Following the completion of the Cangdong Shale oil No. 5 benefit development test platform in 2023,

28

2024-06

Valve common problems "High pressure drop"

Due to the difference in upstream and downstream pressure, the flow of material through the valve is called pressure drop (△P) or differential pressure.

21

2024-06

Gate valve leakage cause analysis and treatment measures

14

2024-06

The green "light" scenery of Tarim oilfield is infinitely good

?On May 21, Tarim Oilfield made full use of the natural advantages of the southern Xinjiang region located in the first and second solar radiation areas to …

07

2024-06

Bayan Oilfield in North China drilled the deepest horizontal well in western Inner Mongolia

On May 14, Well Xinghua 1 Ping 5 in Bayan Oilfield of North China Oilfield was successfully drilled with a drilling depth of 6017 meters,

31

2024-05

The new type of plugging agent independently developed in Northwest oilfield has increased oil significantly

Recently, the new liquid polysaccharide gel water blocking agent independently developed by Northwest Oilfield was applied in well TH12133 of Tahe Oilfield, …

Home
Products
Application
Tel
主站蜘蛛池模板: 嘉义市| 辉县市| 深水埗区| 沁阳市| 武夷山市| 弥渡县| 兴安盟| 乌苏市| 靖州| 筠连县| 浠水县| 新野县| 蒲城县| 仁化县| 崇明县| 达拉特旗| 固始县| 本溪市| 安龙县| 嘉义市| 东乡县| 滦平县| 淮滨县| 始兴县| 宁河县| 固安县| 连平县| 鹤壁市| 花莲县| 南汇区| 任丘市| 格尔木市| 芒康县| 科尔| 稷山县| 庆阳市| 视频| 常州市| 鄄城县| 汝南县| 东安县|