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在矿山提升机的操作系统中安有许多操纵频繁的电路或大量联锁装置。在这两种情况下,使用无触点逻辑元件能减轻维护工作并能减少由于触点接触不良而引起的拒绝动作。
In mine hoist operating system, there are many frequently operated circuits or a large number of interlocking devices. In both cases, the use of contactless logic reduces maintenance efforts and reduces rejection due to poor contact.