acrylic glass set square 有机玻璃三角尺
universal set-square 万能三角板
plastic set square 塑料三角尺
Wood set square 木质三角尺
set-square 三角板 ; 斜角规
protractor set square 分度三角板
SQUARE SET SCREWS 四角头固定螺丝
steel set square 钢曲尺
N a thin flat piece of plastic, metal, etc, in the shape of a right-angled triangle, used in technical drawing 三角板
Draughtsmen make drawing on a drawing board using a pencil and at-square set square and scale.
绘图员用铅笔、丁字尺、三角板和比例尺在绘图板上绘图。
Draughtsmen make drawing on a drawing board, using a pencil and at-square, set square and scale.
绘图员用铅笔、丁字尺、三角板和比例尺在绘图板上绘图。
Jaws and teeth strong with a perfect, regular and complete scissor bite, i. e. upper teeth closely overlapping lower teeth and set square to the jaws.
拉不拉多犬的下巴与牙齿有完美的结合，以交剪的方式完全咬合，及上面的牙齿与下面的牙齿紧密的重叠。
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