Use of unusual noises such as should be immediately shut down, check the reason, until ruled out before trying to continue to use it.
使用过程中如发现有异常杂音时，应立即停机，检查原因，直至设法排除后方可继续使用。
Use of unusual noises such as should be immediately shut down, check the reason, until ruled out before trying to continue to use it.
使用过程中如发现有异常杂音时，应立即停机，检查原因，直至设法排除后方可继续使用。
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