Computer · Surveying
एक ऊर्ध्वाधर रेखा जो किसी भी बिंदु पर समतल रेखा (level line) के लंबवत होती है, कहलाती है:
- 1एलिवेशन रेखा (Elevation line)
- 2प्लम्ब रेखा (Plumb line)✓
- 3मध्याह्न रेखा (Meridian line)
- 4क्षैतिज रेखा (Horizontal line)
सही उत्तर देखें
प्लम्ब रेखा (Plumb line)
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