compressed-hydrogen Ramn laser
压缩氢喇曼激光器

• dovetailed way
• dovetail groove
• dovetail guide
• dovetailing
• dovetail slide
• Dowell interferometer
• dowel [pin]
• down-coming wave
• down-conversion
• down-converter
• down shot
• draft
• draft equipment
• drafter
• drafting
• drafting board
• drafting scale
• drag
• drag coefficient
• drag detector
• drain
• drain current
• drawbar
• drawer shutter
• drawing