每一档数字都是比前档减少一半的通孔大小。
Each aperture size (referred to as a stop) is marked with a corresponding number that represents half the light of the previous stop.
适用于建筑玻璃、工艺美术玻璃、大巴前档玻璃、幕墙玻璃及各种板材的印刷。
It is suitable for printing on construction glass, artistic glass, bus shelf glass, wall glass and various of flat board materials.
总共拆卸了前轮、前档泥板、脚踏板、前刹车、前货架、座垫、把手之后，总算可以装的进瓦楞纸箱里。
After taking apart the front tire, front fender, front break, front pack holder, seat and steering, we could finally fit the bike in the box.
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