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Excuse me, you gods, 30% sulphuric acid tank, temperature 70 degrees, with what material ah? thank 1 0

阳光boy 2019-03-15

Excuse me, you gods, 30% sulphuric acid tank, temperature 70 degrees, with what material a..

Pressure Vessel Auditor Replacement 1 0

Hebei DE xin technology co., LTD 2019-03-13

Is it necessary for pressure vessel auditors to change their certificates for one long or ..

Pressure Pipeline Component Assembly Plant Prefabricated a Module, Need Qualification? 1 0

一路向东 2019-03-11

Pressure Pipeline Component Assembly Plant Prefabricated a Module, Need Qualification?..

Ask if the wall thickness of the reactor shell in the lower half-pipe takes into account the pressure in the half-pipe. 1 0

wangliang 2019-03-08

Ask if the wall thickness of the reactor shell in the lower half-pipe takes into account t..

Can light tubes be used to calculate the strength of corrugated tube heat exchangers? 1 0

海阔天空 2019-03-06

Can light tubes be used to calculate the strength of corrugated tube heat exchangers?..

Can the interpretation of ZDL expansion joint standard be understood as not splicing? 1 0

光头强 2019-03-04

Can the interpretation of ZDL expansion joint standard be understood as not splicing?..

Question: What should the structure with gas-liquid separation in the condenser tube box look like? 1 0

TuKai 2019-02-27

Question: What should the structure with gas-liquid separation in the condenser tube box l..

Some teachers know how to draw an unfolding picture in the sky circle. 1 0

阳光boy 2019-02-25

Some teachers know how to draw an unfolding picture in the sky circle...

What does not exceed the standard defect refer to around the large opening? 1 0

小鱼曾乖乖 2019-02-20

What does it mean that there must be no excessive defect around the large opening? Can the..

GB151 24 Page Tension Rod Hole Thread Depth L2 What is the Standard to Check 1 0

wangliang 2019-02-18

GB15124 Page Tension Rod Hole Thread Depth L2 What's the Standard to Check..

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The whole welding of small U bend for fin heat exchanger..

Dissimilar steel welding qualification

Everybody, cylinder material Q345R...

Do you feel tired? That's because they don't manage

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