APIP110油管短节-天津凤宝石油-厂家现货批发具体 变径短节 有如下的几种形式：2-3/8*2-7/8 -BOX/PIN? 2-7/8*3-1/2 BOX/PIN? 3-1/2*4-1/2PIN/BOX? 1.9'*4-1/2'PIN/BOXp110油管短接1.66“? 2.3PPF，EUE//NUE//UPTBG//TBG?p110?油管短接1.9“ 2.75ppf UPTBG//N
