常見例句雙語(yǔ)例句This paper expounds some principles that should be followed in the model selection of the outdoor fire cock, and introduces the erection design of the outdoor fire cock.闡述了室外消火栓選型時(shí)應(yīng)遵循的原則,介紹了室外消火栓的安裝設(shè)計(jì)。 返回 fire cock