plastic flat ruler 塑料直尺
check-out flat ruler 检验平尺
acrylic c glass flat ruler 有机玻璃直尺
Drawing ruler - Flat ruler 绘图仪尺直尺
flat-ruler 平尺
The utility model relates to a super flat ruler which is composed of adjusting screw rods, a fixed support, a screw, a super flat plate, a super flat ruler, a horizontal scale and a bracket.
本实用新型涉及一种超平尺，它由：调整螺旋杆、固定托、螺钉、超平板、超平尺、水平标、支架构成。
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