用钻 、 挖或掘的方式打通 ( 如, 隧道 )To form ( a tunnel, for example ) by drilling, digging, or burrowing.用钻铤连接探深板.Connect the feeling plate to the drill collars.介绍一种钻床用钻轴均布可调多轴头.Multiple spindles heads for drilling machine whose dril...
观测工作借助于各种望远镜。The observational work is carried out on a range of telescopes.天文学家们正在观测木星.The astronomers were taking an observation of Jupiter.许多机关通过直接的观测收集信息.Many agencies gather information through direct observation....