Road drainage pipes see whether smoothly, and the existence of water leakage phenomenon can tell pool, sometimes, bathtubs release of water, and then discharged, check the drainage rate.是什么意思_Road drainage pipes see whether smoothly, and the existence of water leakage phenomenon can tell pool, sometimes, bathtubs release of water, and then discharged, check the drainage rate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句