第一: first; primary; foremost; fi ...步: pace; step炮眼: porthole; borehole充填: filling; stowing; backfillin ...炮眼充填: perforation packing炮眼充填材料的渗透率: permeability of tunnel fill material进一步炮制: further processing充填的炮眼: packed tunnel炮眼预充填: perforation prepack预充填炮眼: prepack-perforation第一步: first steps; le premier pas; step one常规裸眼充填方法: conventional open hole packing method第一步足: first foot跨栏第一步: getaway stride迈出第一步: take the first step迈错第一步: start on the wrong foot重构第一步: the first stein refactoring第一次充填: first filling一步法充填装置: one-tripacking system一步法砾石充填: one-trigravel packing; single-stage packing上部炮眼第一流的: tophole充填密实的炮眼孔道: solidly packed tunnel地层砂部分充填的炮眼: partially sand packed perforation第一步是最关键的一步: you never know your luck第一步：亮度、对比度调节: brightness and contrast adjustment
