Y level
plural of popular vote
Alternative form of South Vietnam
A surveyor's instrument for measuring differences of level by means of a telescope resting in a Y-shaped support.
plural of mother-in-law seat
工事現場で、測量士は十字線が一致するまでY字形水準器を調整し、基礎が完全に水平になるようにした。
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DiQt
Free
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