是董小姐呀
There is an existing gas storage tank, 0.8MPa, 2740 long cylinder, 1400 mm in diameter, 6m..
阳光boy
If the flaw detection is not qualified, who will get the weld repair process? Craft or fla..
TuKai
The outer flange is now quoted as standard...
一路向东
B16.5WN flange, sealing height is 1.6 and 7mm. Is there any standard for that standard?..
阳光boy
Is there a sealing structure for the shaft type reaction kettle? Pressure 4K..
是董小姐呀
355.6 how much is the thickness of 40S to take over?..
是董小姐呀
Is the thickness of vessel plate 12-16MM ultrasonic testing?..
啊呀呀
The outer dimensions are: diameter 1000X2830, the size of the head to the head, or the vol..
海阔天空
I would like to ask everyone under the baffle is left and right alignment shell side mediu..