965HP1139248657minutes ago49
it can be divided into axial grouting pipeThe grouting pipe can be divided into unconstrained grout...
535HP13685882510minutes ago32
The blowpipe shall be perpendicular to the lead pipe during welding, and the flame shall be moved co...
709HP18051849310minutes ago30
From the characteristics of the floor, it is divided into crystal surface, relief surface,Willebroe...
535HP13685882520minutes ago32
The application of copper tube The copper tube is generally used in the heat exchange equipment, and...
466HP15957580523minutes ago42
It, generator and market formed at the beginning of construction have gradually formed a certain s...
570HP15564270023minutes ago44
Marketing is a science based on consumer psychology. In the fierce market competition, because of th...
35HP16265747027minutes ago31
According to the strict requirements, new stainless steel is being developed. Due to the continuous...
466HP15957580530minutes ago48
PermeIrrigation deep well pump, Its main features are as follows: the whole machine is a dry-type m...
256HP15831237730minutes ago47
Functional index analysis of qb square tube - angular plasticity refers to the power of plastic defo...
35HP16265747034minutes ago37
Other expenses: such as transportation expenses loss expenses, etc. About a quarter.Section shape st...