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High efficiency, low working environment.
效率高，工作环境低。
youdao
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The features of the lubricator is easy operation, low working strength and high safe efficiency.
该装置操作简单方便，工作强度小，安全性能高。
youdao
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The features of the lubricator is easy operation, low working strength and high safe efficiency.
该装置操作简单方便，工作强度小，安全性能高。
youdao