Hexagon flange head tapping screws 六角法兰面自攻螺钉 ; 六角凸缘头自攻螺钉
Bolt-flange head 法兰头螺栓
flange head bolt 凸缘螺栓
Flange Head Rivet 凸缘铆钉
hexagon flange head bolt 六角凸缘面螺栓
tubing-head adapter flange [油气] 油管头法兰
head adapter flange 油管头法兰
Flange-rear head end 尾部管箱法兰
Increasedcondensation by short distance driving below 20 km or a defect in the watercircuit (cylinder head gasket or flange connections) with entry of coolingwater.
由于低于20公里的短途行驶或者因为冷却系统（汽缸垫或法兰连接）的缺陷让冷却水进入，导致冷凝水增加。
It is composed of casing flange, casing cross joint, wellhead valves, tubing hanger, tubing head cross joint and accessories.
这种井口装置由套管法兰、套管大四通、井口阀、油管挂、油管挂体及相关附件组成。
The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
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