她是办公室清洁工之一。

She's one of the office cleaners.

她干了些重体力清洁工作。

She did some heavy-duty cleaning.

她对清洁卫生要求非常严格。

She is very particular about cleanliness.

清洁房间的女工每星期五来。

The cleaning woman came on Fridays.

清洁机器应包括阻塞物的清除。

Cleaning of the machine should include clearance of blockages.