其电子计数器可控制每次测试的测试周期，配有联锁塑料盖以保证安全性。
Fitted with electronic pre-determined counter to determine the number of cycles per test, acrylic plastic cover with interlock for safety.
本文以全电子计算机联锁系统道岔控制单元为研究对象。
The switch controlling unit in full-electronic computer inter-locking is studied in this paper.
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