每间隔一个洞放一个螺丝 英语怎么讲?

put in a screw every hole
put in a screw every two/three holes

every hole. 每个孔.
every other hole.每隔一个孔.

译: Please insert a screw(或bolt) every other hole.

或就说, A screw every other hole.

Put a screw every other hole
Put a screw every two or three holes

put a screw in every other hole .

put a screw in every two holes.
put a screw in every three holes.

put in a screw in every other hole

Is separated a hole to put a screw every time