coupling half threaded M16,M20 and M24 and half drilled to 16.2+0.3,20.2+0.3 and 24.2+0.3 m管件英文

Coupling half 1-1/2NPT 3000PSI ASTM 105CS 特别是1-1/2NPT 1-7''Flow coupling,thread:7''29 PPF NEW VAM ,L80Type I Box*Box.Leagth:20ft石油套管 这是什么 不懂 payment coupling coupLing tool coupling half threaded M16,M20 and M24 and half drilled to 16.2+0.3,20.2+0.3 and 24.2+0.3 m管件英文 英语翻译this item master created for shipping only,of outer column paRt no.166310EQ with coupling one end and thread protector the other end,to saudi warehouse.column to be purchased against 166310EQ WITH COUPLING the following marking to be on e 英语翻译this item master created for shipping only,of outer column paRt no.166310EQ with coupling one end and thread protector the other end,to saudi warehouse.column to be purchased against 166310EQ WITH COUPLING the following marking to be on e thread是什么意思? thread as thread title thread是什么意思 thread是什么意思 Textured thread thread forming coupling sleeve是什么意思 spacer coupling是什么意思 reducing coupling是什么意思 spin-spin coupling是什么意思