1Cr低合金管线钢
1Cr low alloy pipeline steel
20#碳钢管线
20 # carbon steel pipeline
GPU可编程管线
GPU programmable pipeline
MICE超导螺线管磁体
MICE superconducting solenoid magnet
Nb-CrX80管线钢
Nb-Cr X80 grade linepipe steel
UPVC管线
UPVC pipeline
unplasticized polyvinyl chloride pipe