- extension scale
- 延长: lengthen; extend; prolong; p ...
- 刻度: graduation; degree scale; ma ...
- 长刻度仪表: long scale instrument
- 波长校准,波长刻度: wave length calibration
- 延长: lengthen; extend; prolong; prolongate; elongation; extension; dwell; prolongation 延长有效期 prolong the period of validity; 条约延长十年。 the treaty has been prolonged for another ten years. 通过协议可以延长期限。 period may be extended upon expiration (through agreement).; 延长号 [音乐] pause; 延长线 extended [extension] line
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