单词	backing device
释义	backing device 衬垫装置
随便看	inversion center inversion centre inversion channel inversion chart inversion cloud inversion combination inversion complex inversion condition inversion constant inversion constant (intrinsic number) inversion converter inversion crossover inversion curve inversion density inversion device inversion diad inversion dip inversion doublet inversion doubling inversion effect inversion efficiency inversion energy inversiones inversion/eversion inversion factor 丹青妙手丹黄甲乙为为1 为2 为3 为4 为丛驱雀为五斗米折腰为人作嫁いやいやいやいや【否】いや【嫌（厭）】いや【弥】いやいやいやいやいやいや【否否】いやいや【嫌嫌（厭厭）】