My mother gave me a 502 gluewater.
早上我妈拿了一点502胶水。
Would you please send someone to room 502 to pick up some laundry for me?
您可以派人到502房间来取一下我的送洗衣服吗？
Guest: Well, would you please send someone t0 502? I have some clothes to wash.
客户：好的，请问能不能让一个服务员到502来一下？我有一些衣服要洗。
The process technology and control scheme of 502-adhesive production is introduced in this paper.
本文介绍了502胶的生产工艺和控制方案。
The process technology and control scheme of 502-adhesive production is introduced in this paper.
本文介绍了502胶的生产工艺和控制方案。
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