单词	vari-foca lens
释义	vari-foca lens 可变焦距透镜
随便看	pretressed pretressed concrete pretressed t beam pretressing pretressing force reinforcement pretreatments pre-treatments pretreatment solution pre-treatment solution pretreatment system pre-treatment system pretreatment system for sewage pretreatment tank pre-treatment tank pretreatment technique pre-treatment technique pre-treatment techniques pre-treatment technologic pretreatment technology pre-treatment technology pretreatment to be electroplated pre-treatment to be electroplated pretreatment unit pretreatment wastewater pretreatment way