Easy to use: quick installation, intuitive operation, with two-dimensional self-stable head support, but aerial player.
易用：安装快捷，操作直观，具备二维自稳定云台功能支持。
He is the head of the new army installation.
他是新的陆军设施的负责人。
For vertical installation, the pump head should be down.
如需垂直安装时，泵头应朝下。
For vertical installation, the pump head should be down.
如需垂直安装时，泵头应朝下。
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