单词	cycloids
释义	同cycloid
随便看	air dielectric coaxial cable air diffuser air diffuser/diffusion air direction finder air disaster air discharge air discharge equipment air discharge method air discharge orifice air discharge purification system air discipline air-disinfectant aerosol air displacement air-displacement method air displacement pump air displacement system air display air distance air distillation air distribution air distribution manifold air distribution system air distributor air diving air division