632HP1955065918An hour ago40
During production in the production workshop, the unit weight of Pu warehouse board shall not be les...
35HP1626574708An hour ago35
Line grinding reflector, decorative bridge steel plate, boiler steel plate, shipbuilding steel plate...
35HP1626574708An hour ago48
In austenite and then rapidly cooled. For thin-walled parts, air cooling can be adopted and water co...
466HP1595758058An hour ago42
It will burn out. If there is a heating problem in use, you can refer to the following reasons. T...
632HP1955065918An hour ago39
Insufficient refrigeration dose and capacity in the system: there are two main reasons for insuffici...
965HP1139248658An hour ago31
Grouting pipe at tensioning end: the grouting pipe installed at the end of the grouting pipe reinfo...
35HP1626574708An hour ago40
Cooling and cold shock method. Large and thick stainless steel plates are deformed. First burn it wi...
466HP1595758058An hour ago42
Then there are new structures, backup seals and asymmetric molded metal single wall bellows seals....
263HP1458166288An hour ago32
It is used to seal the construction joints, pipe seepage joints and gaps between ground walls in con...
535HP1368588258An hour ago40
The production method of soft copper tube is basically the same as that of hard copper tube, that is...
