你可能感兴趣的试题
290.6m/h 310.6m/h 330.6m/h 340.6m/h
52.56min 55.56min 80.50min 60min
井筒直径5.0~10.0m、井筒深度1000m 井筒直径5.0~6.5m,井筒深度500~800m 井筒直径4.0~5.0m,井筒深度400~600m 井筒直径5.0~6.5m,井筒深度300~500m
30.2min 57.2min 55min 47.2min
小于井筒容积 等于井筒容积 等于压裂泵内、地面管线、井筒三者容积之和 大于井筒容积的3倍