cylinder head casing 汽缸盖罩
casing head gasoline 天然汽油
cement casing head 水泥头 ; 注水泥套管头
rolling head casing 轧头套管
casing head 套管头
Stainless Steel Head Casing 不锈钢套管头
magnetic head casing material 磁头外壳材料
casing head bowl 套管头内卡瓦座圈
This article presented the research on matching technology of casing head and gas-producing wellhead for guaranteeing the safety of drilling and production test operation.
由于套管头和采气井口油管头牵涉到钻井和试油作业中的井口组合，为保证钻井和试油作业时配套使用的安全，要进行配套技术研究。
Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.
聚四氟乙烯内衬直管， 套管，弯头，三通，四通，大小头，筒体，空压机-制氧机- 活塞环、密封圈和汽配封圈。
The main materials of this technology are split bolt, PVC casing, plastic head, vertical skeleton and aluminum alloy skeleton.
该工艺主要材料包括对拉螺栓、PVC套管、塑料封头、竖骨架、铝合金骨架等。
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