常見(jiàn)例句雙語(yǔ)例句Introduced to plan an oil sump and sewer in the tanks and to design a sewerage system and recovery system of oils in the bulking area.介紹了設(shè)置集油坑排汙琯及庫(kù)區(qū)溝網(wǎng)排水廻收油脂系統(tǒng)的原理、方法、傚果。 返回 sewer system plan