Never leave cylinders freestanding in places where they can be accidentally knocked over.
不要让气瓶单独立放于容易碰倒的地方。
What would happen if you were to accidentally set the vehicle 's linear velocity to maximum possible speed and then let go?
如果不小心设定交通工具线速达到其可能最大值并让其发动了,这会产生什么现象呢?。
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