A composite state can also have a default transition with no operation.
组合状态还可以具有不带操作的缺省转换。
The wear process of the composite was composed of running-in and steady state wear.
对制备的复合材料的磨损试验表明：磨损过程存在磨台阶段和稳态磨损阶段。
The wear process of the composite was composed of running-in and steady state wear.
对制备的复合材料的磨损试验表明：磨损过程存在磨台阶段和稳态磨损阶段。
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