假使这些品牌不提高产品单价和改变牟取暴利的行为，那么玩具产业工作状况的结构改变是行不通的。
If the brands do not raise the unit price and change their purchasing practices, no structural change in working conditions in the toy industry is feasible.
泵的结构参数和工作状况对泵的性能有直接的影响，可以通过改变这些参数来改进泵的性能，从而满足工程实际的需要。
Both the parameters and the working condition can affect the pump's operation and performance directly. It is a useful way to change these parameters to meet the need of the engineering.
泵的结构参数和工作状况对泵的性能有直接的影响，可以通过改变这些参数来改进泵的性能，从而满足工程实际的需要。
Both the parameters and the working condition can affect the pump's operation and performance directly. It is a useful way to change these parameters to meet the need of the engineering.
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