This is a small price to pay for a quick and easy way to check whether, for instance, water is too briny for irrigation.
例如通过这样一个快捷简单的方法去检验水是否因为盐度过高不宜灌溉这些开销算不得什么。
One emitter may fail and go unnoticed until plant damage has occurred, but drip irrigation parts are inexpensive and easy to replace.
一个发射器可能会失败，被忽视，直到工厂发生了损害，但滴灌部分价格低廉，易于更换。
According to the theory of design of pure filter machine has the same performance, not easy jam, not frequent irrigation, cause the work to cycle greatly extended.
按此理论设计的精滤机具有同样效能，不易堵塞，不会频繁冲洗，使工作周期大大延长。
According to the theory of design of pure filter machine has the same performance, not easy jam, not frequent irrigation, cause the work to cycle greatly extended.
按此理论设计的精滤机具有同样效能，不易堵塞，不会频繁冲洗，使工作周期大大延长。
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