词汇	powder nozzle
释义	powder nozzle 干粉喷嘴
随便看	supplementary technical manual supplementary telephone supplementary telephone service supplementary tenancy agreement supplementary terms supplementary test supplementary tetrahedron supplementary textbook supplementary therapeutic measure supplementary therapy supplementary ticket supple-mentary ticket supplementary tillage supplementary tone supplementary tool supplementary tooth supplementary tower supplementary training supplementary trangulation supplementary treatment supplementary treaty supplementary triangulation supplementary trunk group supplementary tutoring supplementary twin