service gate in conveyance tunnel的意思|示意
美 / /
英 / /
输水隧道检修门
service gate in conveyance tunnel的网络常见释义
输水洞工作闸门 ..._期刊 关键词： 输水洞工作闸门；检修计划；支铰部件不转；止水受损 [gap=506]Key words: service gate in conveyance tunnel; maintenance plan; failure in hinge components; damage in water seal ..