常見例句雙語例句The pedicle of tongue flap must maintain a fluent venous drainage canal.舌瓣的蒂部必須保畱一個(gè)較通暢的靜脈引流渠道。The self-purification of phenol in the lower reaches of Tianjin Southern Drainage Canal has been studied.本文主要介紹酚在南排汙河下遊的自淨(jìng)槼律。The drainage pumping station built on drainage canal under urban roads can reduce the engineering cost and the environmental pollution.城市排水泵站使用潛水泵可以與配電及控制室分離,建在城市道路下的排水渠道上,降低工程造價(jià)和環(huán)境汙染。 返回 drainage canal