Computer · Surveying
एक चैन लाइन (सेंकड़ रेखा) के साथ 45° का कोण किसके उपयोग से स्थापित किया जा सकता है?
- 1प्रिज़्मेटिक स्क्वायर
- 2ओपन क्रॉस-स्टाफ
- 3फ्रेंच क्रॉस-स्टाफ✓
- 4ऑप्टिकल स्क्वायर
सही उत्तर देखें
फ्रेंच क्रॉस-स्टाफ
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