off specs的相关资料：
临近单词
Offner
off
off-axle paraholoid reflector
off-line peripheral operation
off-centered type-P display
off-shore banking transaction
Off-centering deflection coil
off-set pattern socket wrench
off-axis ellipsoidal cylinder
off-axis cross-polarization
off-axis chromatic aberration
off-line fair electronic cash
