holographic nondestructive testing 1
(HNDT)全息无损检验 holographic nondestructive testing 2
(HNDT)全像非破坏测验

• polytetrafluorethylene
• POLYTHENE FILM
• polytroic
• polytype
• polyurethane
• polyvalence
• polyvinyl
• polyvinyl alcohol
• polyvinyl chloride
• polyvinyl chloride film
• polyvinylcyclohexene dioxide
• polyvinyl-fluoride
• polyvinylidene fluoride
• polyvinyl naphthalene
• ponderability
• pony axle
• poop
• poor focus
• poor light condition
• popular inversion area
• populated
• population
• population density
• population difference
• population distribution