单词	磻石
释义	磻石 bō shí盤石；大石。
随便看	single pendulum system Single pendulum vibration graph demonstration single-pendulum-weight apparatus single penetration Single Penetration Test single pen online recorder single-pen plotter single-people single perceptron single-perforated grain single perforated plate single period single-period single-period equilibrium single periodic block single-period model single-period problem single-period product single-period random demand single-periods single permeability sand bed Single Peroxisomal Dysfunction Single Peroxisomal Dysfunctions single person single-phase AC traction motor