"demonstrates"的搜索结果

law enforcement officer demonstrates hunting safety techniques to hunters

标签: law,enforcement,officer,demons

micrograph demonstrates the histologic changes in human skin infected with smallpox using h e stain

标签: micrograph,demonstrates,the,hi

demonstrates the use of ddt hand spraying equipment

标签: demonstrates,the,use,of,ddt,ha

demonstrates how a smallpox vaccinee prepares a gauze bandage in order to cover her vaccination site

标签: demonstrates,how,a,smallpox,va

the villagers are playing a game that demonstrates why it is important for women

标签: the,villagers,are,playing,a,ga

man demonstrates how to set up a mosquito bed net to protect from getting malaria

标签: man,demonstrates,how,to,set,up

search and rescue team demonstrates how to use a sawzall to cut through metal

标签: search,and,rescue,team,demonst

female worker demonstrates the new heavy duty running stitch sewing machine

标签: female,worker,demonstrates,the

student at jamaicas ascot high school demonstrates the use of technology

标签: student,at,jamaicas,ascot,high

man demonstrates how an organic coffee farm reuses plastic beverage bottles painted red

标签: man,demonstrates,how,an,organi

city in georgia demonstrates the benefits of transferring property to local municipalities gabashvili park

标签: city,in,georgia,demonstrates,t

clinician demonstrates the use of a bifurcated needle

标签: clinician,demonstrates,the,use