地上和地下管道,阀门,排水渠,控制器和电线在一个景观灌溉系统的所有元素。
Underground and aboveground pipes, valves, drains, controllers and electrical wiring are all elements in a landscape irrigation system.
公司对于下列可更换配件:燃烧器,控制器,内浸管,排水阀等可更换配件提供2年有限质量保证。
CORPORATION has a 2-year warranty on replaceable parts-Burner, controls, dip tube, drain valve.
介绍了西门子s7—200 P LC控制器,阐述了信息采集过程,论述了自动排水系统的设计。
This paper introduces the Siemens S7-200 PLC controller, expounds the design of the information collection, and discusses on the automatic water drainage system.
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