gear box [机] 齿轮箱
- The rate of the machine moved up sharply because of changing a big gear box.
由于换了一个大齿轮箱这台机器的速度大大提高了。 - We'll have to get a new car. The gear box can't be repaired.
我们必须买一辆新车,这变速箱不能整修。 - Alignment inspection installation of shaft generator and gear box.
轴带发电机及齿轮箱安装检查。
gear box[ noun ]
the shell (metal casing) in which a train of gears is sealed
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