Jack notices a mounted camera in the facility with its wires threading into a narrow conduit that runs along the ceiling. 杰克注意到在拘留中心內有安裝攝像頭，攝像頭的電線(xiàn)穿過(guò)一排窄的線(xiàn)管，沿著(zhù)天花板延伸下去。
An idea forms in his mind as he follows the conduit to an observation room with monitors watching every area under the ground. 他心里涌出了一個(gè)念頭，他順著(zhù)線(xiàn)管來(lái)到一個(gè)觀(guān)測室，里面的監控器監測著(zhù)拘留中心的每一個(gè)地區。
It's a conduit enclosing insulated electric wires. 這是包電線(xiàn)的導管。
An examination is carried out before the insertion of the tube. 插入導管前先要進(jìn)行檢查。
