英语词汇percussion drilling system怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	percussion drilling system
释义	percussion drilling system 简明释义冲魂井方法网络释义 1 ?冲魂井方法 ... percussion drilling machine 冲唤钻机 percussion drilling system 冲魂井方法 percussion figure 撞晃状 ... 短语 1 percussion n drilling system 冲魂井方法 2 percussion system of drilling 绳式顿钻法
随便看	run-off annual runoff annual distribution runoff area runoff area run off at the mouth runoff characteristic run off coefficient runoff coefficient run off coefficient runoff control runoff cycle run off cycle runoff depth runoff desert run-off elevation runoff erosion runoff erosion potential runoff erosivity runoff factor run-off feeder run off ... feet run off forecast runoff frequence factor runoff from snow runoff gathering

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。