Alex Liu

Beijing, China

Alex Liu

1 Terms    0 Blossaries    0 Followers    18595 Viewers

Alex Liu

Beijing, China

Alex Liu

1 Terms    0 Blossaries    0 Followers    18595 Viewers

Alex Liu's Terms

真空泵

Industrial machinery; Industrial lubricants

一种用于从密闭空间抽取气体或者蒸汽从而使容器内变为部分真空状态的设备。

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