Supervisory switch is preset and tested in accordance with all applicable agency requirements at the factory. No adjustment is possible once the valve is assembled.
监控开关都是按照所有相关管理机关的要求在工厂进行预置和测试。一旦阀门装配后，就不可能进行调整。
The sweeper installation, adjustment and the contact pressure should comply with the requirements of the specification of factory.
清扫器的安装、调整及接触压力等应符合厂家说明书的要求。
Install the combination of car, general machine installed in the factory, shipped to the use of units, a size adjustment can be placed in the tray.
小车的安装组合，一般在制造厂就整机安装好，发运到使用单位后，稍径调整即可安放在桥架上。
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