The device with a gas much using only needs to import compressed air and exports compressed air and negative pressure with different pressing value through the conversion and tune of the part.

一气多用装置，只需要压缩空气的输入，通过部件的转换和调谐，便可以得到不同压值的压缩空气输出和负压输出。

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It has been a successful alternative to the import of oil imports in the use of the device.

该产品己成功的替代了进口油在进口设备上的使用。

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He was the first to import television screens and cameras to communicate with the offstage band, a device now in common use.

ECONOMIST: Gilbert Kaplan

Shipping records dug up by import tracking service ImportGenius.com, however, show Apple and its partners secreting shipments of a mysterious new device into ports on both coasts.

FORBES: Magazine Article