词汇	hang sidetrack drilling
释义	hang sidetrack drilling 悬空侧钻
随便看	production inventory model production-inventory system Production investigation Production investigtion production in winter productionism Production is proceeding smoothly Production is rising steadily Production is steadily going up productionist productionists Production Item Integrity Check Report productionize production key production knowledge representation production laborer group production labour Production lagged and unemployment rose production language production language compiler production language complier production language knowledge production language program production language symbol production language symbols