Designed for locking and sealing high pressure hydraulic and pneumatic systems.

可锁固和和密封高气压、高液压设备的螺纹面。

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Tube fittings are necessary auxiliary elements in hydraulic and pneumatic systems.

管接头是液压和气动系统中不可缺少的辅助元件。

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Install, troubleshoot and maintain power transmission, vacuum, hydraulic and pneumatic systems, and programmable logic controls.

安装，故障排除和维护动力传动，真空，液压和气动系统以及可编程逻辑控制器。

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It would rely more on electricity to run its systems than existing planes, which used hydraulic and pneumatic power.

WSJ: Boeing Shows How Innovation Can Be Messy