词汇	gas pass
释义	gas pass 部烟道
随便看	protecting sleeve for pipe protecting sleeve short protecting smearing protecting social safety protecting sole protecting spectacle protecting splint for the vagina fasteners protecting spray protecting stand protecting state protecting strain protecting strategies Protecting Strategy protecting stratum mining protecting structure Protecting study of Architectural Heritage protecting substance against radiation protecting surface protecting system protecting tape protecting technique Protecting teeth jaw surface protecting the ecological environment protecting the environment protecting the forest