?螺纹弯头

... 石油天然气用螺旋钢管不锈钢弯头 stainless tee 螺纹弯头 threaded elbow 快装弯头 quick elbow ...

?螺纹肘管

... threaded cutter 螺纹刀具 threaded elbow 螺纹肘管 threaded felt 埋线毛毯 ...

?螺纹式弯头

...受客户指定规格代工制造 )&def弯头(Elbow)：卡箍式弯头(Clamp Elbow)&def焊接式弯头(Weld Elbow)&def螺纹式弯头(Threaded Elbow)&dec三通(Tee)：卡箍式三通(Clamp Tee)&def焊接式三通(Weld Tee)&def螺纹式三通(Threaded Tee)&dec 四通(Cross)：卡箍式四通(Cla...