The device includes air source, control system and a pneumatic expansion brake.

此安全装置是由气源、气动控制系统和一个气动膨胀式制动器组成。

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Air source treatment unit, solenoid control element, actuation element and tube fitting.

气源处理元件、电磁控制元件、执行元件、管接头等。

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And the use of the environment and asked for quiet, and still need to clean air source said.

而使用环境又要求安静，同时气源还需洁净的话。

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Carrier's gadget instead uses the heat in outdoor air as the energy source.

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The military source said air support arrived within 30 minutes, and that the attackers did not succeed in getting inside the outpost.

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The company has contracts with NASA (SEWPS), NIH (ECS III), DHS (FIRST SOURCE), and Air Force (NetCents).

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