For complex workpiece, the general working plane is first to be machined.
对复杂工件，一般先呈工平面再加工孔。
"Plane" is the general name for military and civil aircraft.
飞机是对军用飞机和民用飞机的总称。
According to the general situation, plane crash, the rear wing mostly intact.
按照一般情况，飞机失事，其尾翼大多保存完好。
In general, it is easier to guarantee the machining accuracy of the plane.
一般来说，保证平面的加工精度要比保证孔系的加工精度容易。
In general, it is easier to guarantee the machining accuracy of the plane.
一般来说，保证平面的加工精度要比保证孔系的加工精度容易。
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