短语词组短语horizontal sidetrack 侧钻水平井sidetrack vt 转到侧线sidetrack experiment 侧线试验uncontrolled sidetrack 未受控制侧钻sidetrack drilling 侧钻critical sidetrack 临界走向blind sidetrack 无定向侧钻industry sidetrack 专用侧线sidetrack siding 侧线 返回 sidetrack