qiān​chuí​xiàn

plumb line; sounding line; lead line

Senses

铅垂线/ 鉛垂線 qiān​chuí​xiàn plumb line; sounding line; lead line

Weighted line used to determine verticality or to measure the depth of water in navigation

References

classifier 铅垂线/鉛垂線 根/根
classifier 铅垂线/鉛垂線 条/條
same_as 铅垂线/鉛垂線 铅直线/鉛直線
same_as 铅直线/鉛直線 铅垂线/鉛垂線