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100|  |□a20010914d1987    em y0chiy0121    ea
101|0 |□achi
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200|10|□a水准仪结构与维修□f赵如磋著□Ashui zhun yi-
   |  | jie gou yu wei xiu
210|  |□a北京□c机械工业出版社□d1987.7
215|  |□a112页□c图□d19cm
330|  |□a介绍了国产DS3型和DS1型水准仪的全部结构, 包括望远-
   |  |镜系统、水准器及其观察系统、微倾机构、水平制微动、竖轴系和脚-
   |  |螺旋等结构, 对仪器的常见故障提出了维修的方法。
606| 0|□a水准仪
690|  |□aTH761.3□v3
701| 0|□a赵如磋□4著□Azhao ru cuo
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