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三线 | |
el. | three-wire |
水准测量 | |
bridg.constr. | levelling; levelling survey |
earth.sc. | leveling surveying |
eng.geol. | leveling process; water level survey |
hydroel.st. | level survey; leveling; differential leveling |
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three-wire | |||
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three-wire (的) |
三线 : 677 phrases in 66 subjects |