型系列套筒式户内高压真空断路器已经通过了以下的各种试验，可以确保其安全运行。
WVS-12 (B) Series Sleeve-Type Indoor High-Voltage Vacuum Circuit Breaker has passed the following tests to ensure the safe operation.
型系列套筒式户内高压真空断路器已经通过了以下的各种试验，可以确保其安全运行。
WVS-12 (B) Series Sleeve-Type Indoor High-Voltage Vacuum Circuit Breaker has passed the following tests to ensure the safe operation.
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