"to"的搜索结果

administering a vaccine to a young child as his mother held him steady

标签: administering,a,vaccine,to,a,y 浏览: 17

administering a vaccine to a woman who was obtaining water from a local well

标签: administering,a,vaccine,to,a,w 浏览: 17

administering a smallpox vaccine to a local passerby on the recipients right forearm

标签: administering,a,smallpox,vacci 浏览: 14

photograph showed the loading device which was used to move the mobile quarantine facility

标签: photograph,showed,the,loading, 浏览: 15

mobile quarantine facility just before it was loaded on to a c 141 jet that was about to transport

标签: mobile,quarantine,facility,jus 浏览: 19

man fastening a make shift bottle anchor to the isolation unit

标签: man,fastening,a,make,shift,bot 浏览: 14

glove ports providing airtight access to a controlled atmospheric chamber

标签: glove,ports,providing,airtight 浏览: 15

conducting an investigation in order to determine if a spider had any trace of the marburg virus

标签: conducting,an,investigation,in 浏览: 18

visit to bulawayo rhodesia now zimbabwe

标签: visit,to,bulawayo,rhodesia,now 浏览: 20

victoria falls photo was taken during a visit to rhodesia now zimbabwe

标签: victoria,falls,photo,was,taken 浏览: 22

railway bridge leading from rhodesia to zambia is overlooking the zambezi river at victoria falls

标签: railway,bridge,leading,from,rh 浏览: 22

lateral irrigation system water is conveyed off the main channel to laterally directed channels

标签: lateral,irrigation,system,wate 浏览: 16

anopheles gambiae mosquito is a known malaria vector of the parasite known to cause this disease

标签: anopheles,gambiae,mosquito,is, 浏览: 15

female correctly applies a gauze bandage to cover her vaccination site

标签: female,correctly,applies,a,gau 浏览: 19

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

标签: demonstrates,how,a,smallpox,va 浏览: 21