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单词
钻杆
释义
钻杆
Encyclopedia
工学
钻杆
释
drillpipe
钻杆
钻井作业中用于延伸井眼、传递扭矩和输送钻井液,并连接钻机地表设备和井眼底部钻磨设备的空心厚壁圆钢管。
理学
孔内钻具
释
drill rod;drill pipe
钻杆
钻探施工中用以连接钻头等,并传递钻压、动力、输送冲洗介质的中空杆件。
随便看
tree-of-heaven bark
tree of Pythagoras
tree of strategies
tree peony
tree peony garden
tree peony root bark
Tree-plangting as an Obligatory Duty
tree planting auger
tree-planting day
tree-planting problem
tree/plant management
tree polymer
tree pool
tree processing
tree proof
tree proteome
tree representation
tree ring
Tree-ring Dating
tree root
trees
Trees and Crows in Autumn by Wang Hui
trees breeding for forest carbon sink
trees breeding for stress resistance
Trees damage by snow
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