井眼轨迹控制的实质,就是不断地控制井眼的前进方向。即控制井眼的()和()。
参考答案:井斜角;井斜方位角
Don't you think it necessary pay back the money you borrowed when you paid for the
A B C D
education?
条件同13题,其基础柱边截面Ⅱ一Ⅱ的弯矩设计值MⅡ最接近()项数值。
A.MⅡ=98.5kN·m
B.MⅡ=122.3kN·m
C.MⅡ=116.5kN·m
D.MⅡ=105.6kN·m