rectilinearly การใช้

• It is usually folded rectilinearly, with the hoist on the outside, to be easily reattached to the pole.
• On the forewing the lowest subcostal vein and the uppermost radial vein rise from the same place; the cell is shorter than half the costal margin, the transverse vein runs rectilinearly, the upper median and lower radial rise from the lower cell-angle.