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单词
National Vertical Datum 1985
释义
National Vertical Datum 1985
1985国家高程基准; 采用青岛水准原点和根据由青岛验潮站1952年到1979 年的验潮数据确定的黄海平均海水面所定义的高程基准。其水准原点起算高程为72.260m。
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angle in standard position
angle insulator
angle interferometer
angle intersection method
angle in the alternate segment
angle in the segment
angle iridial
angleiron
angle iron
angle-iron
angle iron bar
angle iron beater
angle iron bending machine
angle-iron boiler ring
angle iron boiler ring
angle iron bracket for division sheet
angle-iron frame
angle iron frame
angle iron ring
angle-irons
angle irons
angle iron shear
angle iron shear ( angle shear )
angle iron shearing machine
angle iron stay
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