automatic exposure counter
自动曝光计数器

• grinding and polishing machinery
• grinding material
• grinding stone
• grinding tool
• grindstone
• GRIN lenses
• grit
• grond photogrammetry
• grooring
• groove
• grooved pulley
• groove form diffraction grating
• gross area
• gross difference
• grossmeters
• gross tolerance
• gross weight
• ground absorption
• ground-based optical receiver
• ground-cathode amplifier
• ground circle
• ground coat
• ground colour
• ground-echo pattern
• grounded-base amplifier