It requires high performance, light weight and reliability in operation.
它要求性能高、重量轻、工作可靠。
Tests show that the system is high in reliability and precision, and simple in operation.
实验证明，该系统可靠性高，操作简便，定长切断精度高。
Tests show that the system is high in reliability and precision, and simple in operation.
实验证明，该系统可靠性高，操作简便，定长切断精度高。
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