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阳光boy 2019-04-15

The nozzle opening in the transition section of the head must be perpendicular to the head..

一路向东 2019-04-12

The medium is water and carbon dioxide, with temperatures ranging from minus 30 to minus 5..

Which hero has a new ear seat standard? 1 0

wangliang 2019-04-11

Which hero has a new ear seat standard?..

海阔天空 2019-04-09

Air replacing water is dangerous. Why use gas? Now a bottle of nitrogen is not cheap...

光头强 2019-04-08

Does the content on the nameplate represent only the performance of the equipment, not the..

What kind of weld does this belong to? 2 0

小鱼曾乖乖 2019-04-04

What kind of weld does this belong to?
[this_is_pic_0..

Ask you guys, where are you? 1 0

TuKai 2019-04-03

I would like to ask you how many enterprises do not manufacture pressure vessels but only ..

Where are the parameters of Q345R checked? 1 0

阳光boy 2019-04-01

What are the parameters of Q345R?..

一路向东 2019-03-29

Ask a question, what are the requirements for the voltage and exposure time of RT tubes wi..

wangliang 2019-03-27

There is an oxygen buffer tank (tower type, DN3600X25 cylinder length 9500 material S30408..