词汇	silica sand in Chang-li
释义	silica sand in Chang-li 昌黎硅砂
随便看	universal rolling technology universal rotaging stage universal rotary microtome universal rotary switch universal rotating stage universal roughing mill universal routine universal RTI Interface universal rule universal rule of education universal rule of international law universal rules universals universal saddle Universal salt iodization universal salvation/grace universals and individuals universals and peculiarities universal satellite simulator platform universal saw universal saw bench universal sawing machine universal saw sharpening machine universal saw table universal Saybolt viscosimeter