首页 > Term: zigzag rule
zigzag rule
A wooden rule (generally 2 m or 6 ft long, folded zigzag fashion in 15-cm or 6-in lengths), used by drillers, craftsmen, etc., to measure short distances. The rule usually is 3648 graduated in centimeters or in feet, inches, and fractions of an inch (sometimes in feet, tenths of a foot, and hundredths of a foot).
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)