The efficiency of a parallel connection double-pump irrigation System is not only related to the break - down and recovery frequency but also to the operation and maintenance fashion of the System.
双泵并联灌溉系统的有效度不仅与机组故障率和修复率有关，而且与系统的运行方式及维修方式有关。
The blast ring and charging hopper of a cupola was modified. As a result, the break down rate and maintenance cost was obviously decreased, and the melting process became more smooth.
对冲天炉风圈、加料漏斗的技术改进，使冲天炉的故障率明显降低，维修费也大大下降，很好地保证了熔炼工序的顺利进行。
The valve's simple design means there are no moving mechanical parts to break down or jam, reducing maintenance costs.
设计简单，没有可移动部件，不易破裂、堵塞，节省维护成本。
The valve's simple design means there are no moving mechanical parts to break down or jam, reducing maintenance costs.
设计简单，没有可移动部件，不易破裂、堵塞，节省维护成本。
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