词汇	高级油
释义	高级油 special oil
随便看	shallow water wave shallow-water wave shallow water wave equation shallow water waveguide shallow water wave-guide shallow water wave models shallow water waves shallow-water wave speed shallow water wharf shallow water zone Shallow waves shallow weld shallow well shallow well multi-stage jet pump shallow well pump shallow well thermometry shallow-wet intermission shallow winter breaking shallow work shallow working face shallow workings shallowy shallow zone producing shall's shall savings interest be taxed