水(shuǐ)利泵閘水(shuǐ)下(xià)技(j₽✔ ì)術(shù)服務
Underwater services for water conse® '★rvancy pump gates, municipπ★£al pipe network
閘門(mén)水(shuǐ)下(xià)檢查 Underwater ins✘δ¶pection for sluice ga≈≠£λte 、漏點封堵 Leakage stop'↓s、水(shuǐ)下(xià)清淤Underwater &©dredging
管道(dào)封堵 Pipe plugging/unplugging、∏δ≈×水(shuǐ)下(xià)拆除Underwater de∏€♦δmolition