boxwood T square 黄杨木丁字尺
celluloid T square 赛璐珞丁字尺
adjustable head T-square 活动丁字尺 ; 活头丁字尺 ; 活动头丁字尺
t square 字尺 ; 丁字尺
wood T-square 木丁字尺
plastic T-square 塑料丁字尺
Hotelling T square test 赫特灵T平方检验
t square t 字尺
drawing t square 绘画丁字尺
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N a T-shaped ruler used in mechanical drawing, consisting of a short crosspiece, which slides along the edge of the drawing board, and a long horizontal piece: used for drawing horizontal lines and to support set squares when drawing vertical and inclined lines (用于机械画图的)丁字尺
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