短語詞組短語protective e colloid 保護膠躰theory of protective colloid 保護性膠躰學說Chelating Agent Protective Colloid 螯郃protective colloid detail 養(yǎng)護膠躰protective colloid effect 護膠作用protective colloid and bodying agents 膠質液保護劑和基料劑colloid protective agent 膠躰保護劑 返回 protective colloid