For the huge bulky and difficult adjustment shortcoming of traditional end and side pipe stopper, the wide applicable scope end and side pipe stopper is designed.

针对传统端、侧挡管器体积庞大、调整费时费力等缺陷，设计出一套使用范围较宽的端、侧挡管器。

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In the 17th century an ingenious smoker came up with the pipe tamper, or stopper, as it's known in England, a tool for pressing down lit tobacco in the pipe's bowl.

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