The only problem was, nobody at the station had an arm small enough to actually reach in through the two-and-a-half inch opening and pack grease around the bearing.

可是执行这个办法的最后的一个困难在于站里没有一个人的手臂小到可以伸进这个只有2.5英寸的开孔，他们无法把油脂涂抹到轴承的四周。

youdao

Once at the tracking station, Greg reached into the tiny hole and packed grease around the failed bearing.

格雷格·福思一到站里，立刻就把他的小手伸进了这个小孔并把油脂涂抹在已经失效轴承的四周。

youdao

BEARING (NO. 2), The direction from an airplane to a ground station.

方位(NO . 2)，从一架飞机到地面台的方向。

youdao

Once at the tracking station, Greg reached into the tiny hole and packed grease around the failed bearing.

CNN: The 10-year-old who helped Apollo 11, 40 years later

Two others emerge from the station, large, hulking men, hats in place, flameproof coats on their backs, bearing flats of Poland Spring water on their shoulders tiny eight-ounce bottles of Poland Spring green label and I think any one of them could down the whole lot by himself but this is what they have, and for this, too, they are grateful.

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