railcar
英['reilkɑ:]美['reilkɑ:]
n. 气动车
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- Tubes are generally mounted on a truck-trailer chassis or railcar bed, or placed at stationary locations when large amounts of oxygen are needed.
管道一般是安装在拖车底盘或有轨车底座上，或者当需要大量氧时放置在固定位置。收藏
开心词场背单词
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名词解释：