filter pipe meaning in English

过滤管
滤毒烟斗

Steel filter pipes for drilled wells with screwed connection dn 100 to dn 500
钻井用钢过滤器.螺纹连接. dn100至dn500
Steel filter pipes for drilled wells with slot perforation and fisching butt strap joint
带开槽搭接孔和鱼尾板连接的钻井用钢制滤管
Steel filter pipes for drilled wells ; flanged connection , nw 500 to nw 1000 nominal diameter 500 to 1000
钻井用钢滤管.法兰连接.公称直径500至1000
Steel filter pipes for drilled wells - part 4 : with tension proof socket joint ; dn 100 to dn 500
钻井用钢滤管.第4部分: dn 100至dn 500抗拉插接套管连