单词	呢被
释义	同COVERLET
随便看	porous bearing metal porous bearing porous breakwater porous brick porous capsule porous carbon porous casting porous catalyst porous cell porous cell; porous pit porous ceramic porous channel porous circle porous concrete porous cooling porous cup porous dehiscence porous deposit porous diaphragm porous diaphragm cell porous dielectrics porous diffusion porous dihiscent anther porous disc porous disk