The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.
仪表的刻度盘应为机械指针式,应选用铜铝合材质,底
为白
,上面标的数字和刻度为黑
(不
),刻度分配应采用厂家提供的标准。
The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.
仪表的刻度盘应为机械指针式,应选用铜铝合材质,底
为白
,上面标的数字和刻度为黑
(不
),刻度分配应采用厂家提供的标准。
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