ear spool of copper and silver 这儿的spool是什么意思,是耳环么Archaeologists have determined that the complex-called Mound City-was apparently both a village and a burial site.■ Numerous artifacts have been found in excavations of the bu

ear spool of copper and silver 这儿的spool是什么意思,是耳环么Archaeologists have determined that the complex-called Mound City-was apparently both a village and a burial site.■ Numerous artifacts have been found in excavations of the bu copper spool flange , spool 是什么意思 ? This size of the pipe:5/8copper pipe.3/8copperpipe.1/2copper pipe. ear sheets and stripes of copper是什么材料科学方面 an alloy of copper and zinc的中文是什么? no more spool in the ear of knowledge explosion 英语翻译Formation of Sedimentary Rock-Hosted Stratiform Copper Depositsthrough Earth HistorySociety of Economic Geologists,Inc.Economic Geology.2010AbstractSedimentary rock-hosted stratiform copper deposits form by movement of oxidized,copper-bea COPPER是什么意思 copper是什么意思 creating thunder by pulling on one of the corners of a thin copper sheet 怎么翻译? in the ear of knowledge—based economy 连词成句 ear,of,sweets,a,lot,not,do,(.) 问个中学物理题,英文的,和圆周运动有关The tape in a cassette player passes over the heads at a speed of 5cm/s and is taken up on a spool of diameter 1.7cm.The thickness of the tape is 0.01mm.The take-up spool is initially empty.Find an International Chamber of CommerceNon-Circumvention,Non-Disclosure and Working AgreementFor COPPER CATHODES GRADE A Transaction