钻机钻井的井位位置尽量在测线的同一侧多少米布置，以保证排列摆放（）。
A.2～3
B.3～5
C.1～2
D.5～10
参考答案：B
Their problem today is somewhat similar to _____ they faced many years ago.
A．that
B．which
C．that which
D．it
照相制版涂卤化银液无齿孔窄胶卷
