main valve bush [机] 主阀衬套
main bearing bush 主轴承衬 ; 主轴瓦
LOWER BEARING BUSH MAIN BEARING 主轴承下轴瓦
UPPER BEARING BUSH MAIN BEARING 主轴承上轴瓦
main indle bush 主轴瓦
main shaft bush 主轴衬套
In fact, the main reason is the deep recession, which slashed tax revenues and led to hundreds of billions of dollars in recession-fighting spending by both Bush and Obama.
事实上,深度衰退才是主要原因,一方面导致税收减少,另一方面导致布什和奥巴马投入数千亿美元用于救市。
But -modern primates are divided into two main groups: the lemurs and bush babies on one hand, and the monkeys and apes on the other.
不过,现代灵长目分为两个主要的分支:狐猴和丛猴同属一个分支,猿猴和无尾猿则属于另外一个分支。
This paper discussed the main cause that DF4 type diesel locomotive axle suspension bush fault happend and it put forward some advice on improvement.
对DF_4内燃机车抱轴瓦碾瓦故障的主要原因,从配件的加工及组装工艺进行了分析,提出了必须注意的关键点及改进意见。
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