Path shrink parts sizes shrink, open and close the required power is reduced, at the same time expand the scope of application components.

通径收缩能使零件尺寸缩小，开、闭所需力相应减小，同时可扩大零部件的应用范围。

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Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.

1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。

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youdao

President Obama wants to expand health coverage to all Americans and, at the same time,control costs.

VOA: special.2009.07.25

So let me expand on that very slightly, and again we did this last time but I want to do one more time. I have to be careful about how I'm actually implementing a list.

我们之前做过了一次,但还是再做一次吧,我得小心的在列表中执行,例如在这个例子中。

麻省理工公开课 - 计算机科学及编程导论课程节选

Only five percent of the owners characterized the current period as a good time to expand.

FORBES: One Country, Two Economies

Four years after opening Disneyland's doors in 1955, Walt Disney became convinced that it was time to expand his franchise.

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"I agree with them it's time to expand capacity, " said Mr. Schwartz, who has proposed new pedestrian and bike bridges for the East River.

WSJ: Bridge Traffic On Walkway Stirs Concern