632HP19550659114An hour ago40
During production in the production workshop, the unit weight of Pu warehouse board shall not be les...
35HP16265747014An hour ago35
Line grinding reflector, decorative bridge steel plate, boiler steel plate, shipbuilding steel plate...
35HP16265747014An hour ago53
In austenite and then rapidly cooled. For thin-walled parts, air cooling can be adopted and water co...
466HP15957580514An hour ago47
It will burn out. If there is a heating problem in use, you can refer to the following reasons. T...
632HP19550659114An hour ago39
Insufficient refrigeration dose and capacity in the system: there are two main reasons for insuffici...
965HP11392486515An hour ago31
Grouting pipe at tensioning end: the grouting pipe installed at the end of the grouting pipe reinfo...
35HP16265747015An hour ago40
Cooling and cold shock method. Large and thick stainless steel plates are deformed. First burn it wi...
466HP15957580515An hour ago42
Then there are new structures, backup seals and asymmetric molded metal single wall bellows seals....
263HP14581662815An hour ago33
It is used to seal the construction joints, pipe seepage joints and gaps between ground walls in con...
535HP13685882515An hour ago40
The production method of soft copper tube is basically the same as that of hard copper tube, that is...
