hé​lóng​mén

to close the gap

Senses

合龙门/ 合龍門 hé​lóng​mén to close the gap

to complete the final section of a dam, bridge, or dike during construction when work proceeds from both ends towards the middle

References

same_as 合龙门/合龍門 合龙/合龍
synonym 合龙/合龍 合龙门/合龍門