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所谓专用工具就是根据设备维修工艺需要,设计和制造的工具。()

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离心泵往往用于雨水泵站。()

由于污水泵站埋设较深,流量较小,一般都选用轴流泵。()

According to the article, what will happen next month?

All vehicles will be recalled to replace spare tires.
B. Some of the car owners will be sent a notification.
C. Drivers will attend a training safety workshop.
D. Some of the readers will receive free subscriptions.

低压电动机的绝缘电阻应大于0.2MΩ。()

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