单词	Shingle Theory
释义	Shingle Theory 🌏招牌理论
随便看	operating lease operating leases operating leasing operating ledger operating length of railway operating lens operating level operating level accelerating pump operating lever operating leverage operating leverage ratio operating lever articulation operating lever connecting yoke Operating lever for reverse valve operating lever hook operating lever latch knob operating lever lock operating lever spring foot operating lever srping foot operating lever stem operating lever stud operating licence operating license operating machinery operating machine with rigid connecting rod