問題詳情
79. 有關存水彎(Trap)之功用與設置,下列敘述哪些正確?
(A)毛細、噴出或虹吸等現象皆可能使存水彎失去水封
(B)長時間未用水時會使存水彎功能失效
(C)存水彎能阻止大部分蟲類沿水管進入室內
(D)存水彎主要功能是減緩廢水及污水排水時產生水擊現象。
(A)毛細、噴出或虹吸等現象皆可能使存水彎失去水封
(B)長時間未用水時會使存水彎功能失效
(C)存水彎能阻止大部分蟲類沿水管進入室內
(D)存水彎主要功能是減緩廢水及污水排水時產生水擊現象。
參考答案
無參考答案
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