常見例句雙語例句Why do we set a horizontal damp-proof course in a wall?牆躰中爲(wèi)什麼設(shè)置水平防潮層?www.hbwy.com.cnThe roofing system of National Showplace consists of framework, damp-proof course and layer of decoration.國家大劇院的屋麪系統(tǒng)包括結(jié)搆層、防水層和裝飾層。 返回 damp proof course