vant wrote:請問圖中紅色圈出的...(恕刪)
vant wrote:請問圖中紅色圈出的管...(恕刪)
vant wrote:請問圖中紅色圈出的管子叫什麼?
vant wrote:水龍頭是直接鎖在這管子上嗎?怎麼沒有牙呢?