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UNF螺 1 0

big yang 2017-11-06

Will the next UNF thread is straight or taper thread..

Floating head heat exchanger 1 0

海阔天空 2017-11-06

Floating head heat exchanger are neck butt welding equipment flange? Can there be any othe..

asme设备检 1 0

一路向东 2017-11-03

ASME standard design of equipment, it is said that the use of air pressure equipment test ..

Ethylene storage at low temperature 1 0

加油beyond 2017-11-03

Who does the low temperature ethylene storage tank? Design pressure 10kg, temperature -110..

小鱼曾乖乖 2017-11-02

Whether reheat cracks occur in 16MnDR? For example, the slit between the ring seam and the..

Can the composite plate be welded like this? 1 0

coco 2017-11-02

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Temper brittleness temperature of Q345R 1 0

张公山寨 2017-11-01

How can the Q345R tube be warm formed to avoid the temper brittleness temperature zone?..

Heat exchanger test 1 0

Mrs.wu 2017-11-01

There is a heat exchanger in a heat exchanger network, the pipe side pressure is higher th..

Equipment material selection 1 0

啊呀呀 2017-10-31

Can the hydrochloric acid solution of 3~4% be used in 304 stainless steel?..

hao先生 2017-10-30

How much is the welding coefficient of explosive medium? What are the requirements for fla..

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