单词	主樑
释义	主樑1. ridgepole
随便看	periodic curve periodic cutting-area periodic damping periodic decimal periodic deviation periodic dialysis periodic disease periodic--disease periodic disease; periodical disease; cyclic disease periodic dispersal periodic dispersion compensation periodic disturbance periodic domain inversion periodic dumping periodic dumping time sharing periodic duty periodic edema periodic electromagnetic wave periodic error periodic error integrating controller periodic excitation periodic extension periodic fever periodic field focusing periodic filter response of