The sanitary engineer collects garbage.

卫生队员收集垃圾。

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Thee sanitary engineer collects garbage.

卫生队员收集垃圾。

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Many give credit to THOMAS CRAPPER (1837-1910), an English sanitary engineer, for inventing the valve~and~siphon arangement that made our modern toilet possible.

绝大多数人都认为是汤马斯·克拉普（1837-1910）这位英国卫生工程师的功劳，他发明的冲水阀门和虹吸管成就了我们今天的马桶。

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There are more than 200 files from the city engineer about air raid shelters, including three files about the shelters' sanitary arrangements.

BBC: Hull's WWII records put online