单词	单刀开关--单极开关
释义	单刀开关；单极开关single pole switch
随便看	model of field source model of fit model of geomagnetic field model of isostasy model of operation of cyclotron model of public relations model of quadric model of recursive definition model of spectral pitch model of teaching model of the coherent system model of the world model of third world development model of virtual pitch model, one-nucleon model-- one-particle model oneself after someone model oneself on someone model oneself on (或 after,upon) someone model oneself upon someone model order selection criteria model organism model or pattern, a, model output statistics model output statistics (mos)