词汇	eu rohs directive
释义	eu rohs directive 欧盟RoHS指令
随便看	slowness vector slow-neutorn filter slow neutralizing slowneutron slow neutron slow neutron activation slow neutron activation analysis slow neutron activation method slow-neutron activation method slow neutron background slow neutron bombardment slow-neutron bombardment slow neutron capture slow neutron capture reaction slow-neutron capture reaction slow-neutron chain reaction slow neutron chopper slow neutron counter slow neutron cross section slow neutron cross-section slow-neutron cross-section slow-neutron cycle slow-neutron detecting chamber slow neutron detection chamber slow neutron detector