1) joint
连头
1.
The pipe joint construction with fire work at Jinchang gas compression station of West to East Gas Pipeline belongs to First Grade fire work construction with the features of high danger coefficient, high safety standard, tight construction time, big pipe joint diameter and many companies participating in the construction.
西气东输金昌压气站动火连头施工属于一级动火施工,危险系数大,安全标准高,同时具有工期紧、连头管径大、参加施工单位多等特点,且如此大口径管道动火连头施工在我国尚属首次。
2) Craniopagus
连头婴
补充资料：连头
1.成排，一个挨一个。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。