狭槽
2.a screwdriver with a flat wedge-shaped tip that fits into a slot in the head of a screw.
3.You slip it into the slot at the turnstile and then push the turnstile to get in .
4.Die centering in press is obtained by milling a slot on the bottom subplate parallel to the direction of the feed.
5.A bolt, wedge, key, or pin inserted through a slot in order to hold parts together.
6.Patt Crooved Panel is a kind of product which the grooves are on visible side and the round holes are on the rear, their core materials are medium density fiberboard(MDF),they can be used for wall and ceiling finish.
