My only caution would be before we report things like this, checking would be good.
我唯一的提醒是，在我们报道像这样的事情之前，应该做好核查。
It was a simple system with only three speed codes-normal, caution and stop.
这是一个简单的系统以只三速度代码正常，小心和中止。
Extreme caution should be employed to ensure only enough force is applied to contain pressure.
应特别注意确保只有足够的力加至承压。
Extreme caution should be employed to ensure only enough force is applied to contain pressure.
应特别注意确保只有足够的力加至承压。
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