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关注:1
2013-05-23 12:21
求翻译:通光口径为是什么意思?![]() ![]() 通光口径为
问题补充: |
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2013-05-23 12:21:38
Diameter φ20mm, aperture for the (18 × 18) mm.
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2013-05-23 12:23:18
Outside diameter is φ 20 mm caliber, michimitsu (18 x 18 ) mm for.
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2013-05-23 12:24:58
The outer diameter for φ20mm, passes the light caliber for (18×18)mm.
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2013-05-23 12:26:38
Outer diameter for PHI 20mm, mm Aperture (18x18) mm.
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2013-05-23 12:28:18
The system using the beam-splitting mirror reflectivity is 60%, transmission rate T=40%, 20mm, mm Aperture (18x18) mm.
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