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光学对点器
光学对点器
tech.
оптический отвес
;
оптический центрир
|
光学垂准
光学垂准
construct.
оптический отвес
|
光学视准线
光学视准线
construct.
оптический отвес
to phrases
光学对点器
stresses
tech.
оптический отвес
;
оптический центрир
光学对点器:
4 phrases
in 3 subjects
Construction
1
General
1
Technology
2
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