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为了有效预防火灾,开发了火灾自动保护型漏电断路器。
In order to prevent fire effectively, fire automatic protection type residual current circuit breaker was developed.
youdao
-
为了有效预防火灾,开发了火灾自动保护型漏电断路器。
In order to prevent fire effectively, fire automatic protection type residual current circuit breaker was developed.
youdao