designation hole的相关资料：
临近单词
designation
designation of polling stations
designation of plant collocation
Designation for laser crystal rods
Designation of Sunlight Cattle Shed
Designation of alkaline secondary cell
Designation of bearing design features
Designation System for Unalloyed Aluminum
Designation system for aluminium hardeners
Designations for synthetic quartz crystals
Designations for infrared detecting materials
