ERW钢管”就是高频直缝电阻焊管,英文Electric Resistance Welding,缩写简称为ERW,用于输送石油、天然气

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 13:57:22
xWnW>I@mU !Q؊"L)Beė@'Źر-6x챥~ >g橿е Jy/kɍg7ܽ9zqx'ee$5Yxd| =EΓG_>𫻏^<~Ӈ9%KV1-dX9wQYG=Js~֞ݼáߦ#;i1R{W|ϙ5L;GmډV=+MVREq-Y md$^c.ȵg U|um Nd X|Qzz4o@x#{4e{1; n{ܖ +(ı?L'y֒Q5έ{LD[k*n̦h9 Uz8S똹+eݴYDoG<wh*ˊڎL(StHhj>-P |w=5\*+LO (1մ,%R2gAdzJV/%LHザH |5ըr$: .ŰBV! nB[%uC:gLNtŃcXokq{_@BN2|jᏏ0^ꗒ jEB)+LZgrVva(yAŎ(Lew3yD ?E<) ͹4(!B*DE1z/67irFaJ\ tg}ހr f?`?<Ӥ Ja.7wQp<Ք ;Wj^U=à|Q.D^'T3(# ?L1&"X]POӏ0@1TR]9&3&Nzxh:&$8 卒ZɾcU3OhTFߪOh)^}ICQU=*BK;I)y(7)Ɛ''aro;JCxvχ+Ʋw8b0}+2(„:gvKPvW@/3@4VGvv|[~VGӄԿ T_x ɘvr*8&#gzz]}m}s `-M>;Y^|`0pwũK. 4N( dd }C=ݬO96.(Q-P"|`F 0YIBH`&P/a5 b[y@]a}Z:2)5WHlh=%S^"+K-cQU nQv"jKvXsu`Nzp |SҦXV֯OđAFR?v66",lޥ1o)8V0 x%jMux#Tٯ͎i(&WUgUqq3X&}ȍ<=