standards of track main tenance 轨道养护标准
track main control valve 履带主控制阀
right track main control valve 右履带主控制阀
left track main control valve 左履带主控制阀
track main link 履带主链节
main track 干线 ; 正线 ; 正道 ; [计] 主磁道
track main roadway 轨道大巷
The truck turned off the main road, and went along the gravelly track which led to the farm.
卡车离开主路,沿着通向农场的碎石路行驶。
His main role is to help clients track their online spending and improve their advertising efforts.
他的主要任务是帮助客户跟踪他们的网上消费,改善广告的效果。
There are three main financial metrics that we track closely.
我们密切追踪三个主要财务指标。
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