-
The value of a magnetic material core varies according to the frequency of operation.
核心价值一磁性材料根据不同的操作频率。
youdao
-
The gas accident frequency in the operation of the gas boiler is higher.
煤气锅炉运行中煤气事故的发生频率较高。
youdao
-
The gas accident frequency in the operation of the gas boiler is higher.
煤气锅炉运行中煤气事故的发生频率较高。
youdao