gogogo高清在线播放,少妇厨房愉情理9仑片视频,久久久久无码精品国产不卡

Your Current Position: News

12

2019-09

【Technical article】 New 'smart actuators' for GF piping systems allow' networking 'of valves

In industrial systems, monitoring, control and maintenance of valves is a difficult task because actuators or valves are not directly available and are often difficult to obtain.
06

2019-07

【Industry dynamics】 Shanghai quality inspection institute hosted a seminar on valve flow resistance index and energy efficiency evaluation standard

On June 28, 2019, the seminar on valve flow resistance index and energy efficiency evaluation standards was held in Shanghai energy efficiency center as the theme activity...
29

2019-06

【Industry dynamics】 Increased demand for automotive valves is expected to bring new opportunities to the valve market

The international pump and valve technology business report analyzes the main drivers of growth and the growth prospects of various regions and industries...
22

2019-06

【Technical article】 Comparison table of the relationship between valve size and medium velocity

It is well known that the flow rate and velocity of the valve mainly depends on the size of the valve, but also with the valve structure type of the resistance to the medium...
15

2019-06

【Technical article】 Selection design and application of ball valve for submarine pipeline

With the rapid development of offshore oil and gas industry technology and people's demand for energy, the development of deepwater oil and gas fields will become the future offshore oil industryThe focus of industry development...
15

2019-04

【Industry dynamics】 The 2019 academic annual conference of China instrumentation society was grandly held in Beijing

"Patrimony of arteries and veins, power jack", on March 29-30, 2019 Chinese instruments to learn academic annual meeting was held in Beijing friendship hotel, this annual meeting topic...
03

2019-04

【Industry dynamics】 The third standing council (extended) meeting of the seventh session of valve branch of China general machinery industry association was held in hangzhou

On the afternoon of March 27, 2019, the third executive director (extended) meeting of valve branch of China general machinery industry association was held in hangzhou.Huang...
04

2018-08

【Industry dynamics】 Jinshan Shanghai Petrochemical: No. 2 ethylene glycol in the first half of the year increased by more than 1300 yuan

The ethylene glycol unit No. 2 of the Shanghai Petrochemical Department, through optimizing production...
04

2018-08

【Technical article】 Water treatment "year-end examination" performance eye-catching short-term industrial chain growth opportunity

In the first half of the year, the sewage treatment industry developed rapidly, integrating technology, service resources and ...
26

2018-07

【Technical article】 Analysis of Causes of Combustion Explosion of Several Common Oxygen Pipes and Valves

Over the years, with the increase in the amount of oxygen, large oxygen users have used oxygen pipelines. Due to the long length of the pipeline, the distribution is wide, plus...

First <Previous 1 2 3 4 Next> End

午夜第九达达兔鲁鲁,亚洲av无码国产一区二区三区,天堂网www资源在线,国产一级做a爰片久久毛片99