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n. [植]块根农作物
行露头；中耕作物
岩石支柱
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
?岩石支柱
... mine propn.矿柱 rock prop岩石支柱 turbo prop涡轮螺(旋)桨发动机, 涡轮螺桨飞机 ...
Another early beneficiary might be Carbo Ceramics, which sells ceramic pellets the size of grains of sand that are pumped into the rock surrounding the wells to prop open the tiny cracks through which oil and gas flow.
FORBES: Roughneck stocks
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。