"techniques"的搜索结果

anglers using electro shock fishing techniques

标签: anglers,using,electro,shock,fi 浏览: 16

law enforcement officer demonstrates hunting safety techniques to hunters

标签: law,enforcement,officer,demons 浏览: 17

volunteer teaches backyard habitat techniques to students

标签: volunteer,teaches,backyard,hab 浏览: 16

clefts can be found within red blood cells infected with the p falciparum parasite using certain staining techniques

标签: clefts,can,be,found,within,red 浏览: 16

flea collection techniques practiced

标签: flea,collection,techniques,pra 浏览: 14

lychee growers learn new grafting techniques such as air layering this aerial stem

标签: lychee,growers,learn,new,graft 浏览: 18

raising the roof using traditional building techniques restored a collapsed traditional village olive mill

标签: raising,the,roof,using,traditi 浏览: 15

afghanistan teachers in various techniques in training students in the field in solor energy

标签: afghanistan,teachers,in,variou 浏览: 13