"Water"的搜索结果

northern pintail bird on water

标签: northern,pintail,bird,on,water 浏览: 11

pintail ducs in water hunting anas acuta

标签: pintail,ducs,in,water,hunting, 浏览: 15

pintail duck swimming in water close up image anas acuta

标签: pintail,duck,swimming,in,water 浏览: 14

l pneumophila bacteria existing on potable water biofilms

标签: l,pneumophila,bacteria,existin 浏览: 15

humans become infected by swallowing water contaminated by infected animals or through skin contact

标签: humans,become,infected,by,swal 浏览: 11

ralstonia spp are gram negative bacteria found in the environment primarily in water soil and on plants occasionally

标签: ralstonia,spp,are,gram,negativ 浏览: 14

field technician who was in the process of using a dipper while analyzing the high water region

标签: field,technician,who,was,in,th 浏览: 12

entomologic field technician who was in the process of using a dipper while analyzing the water

标签: entomologic,field,technician,w 浏览: 18

entomologic field technician who had extracted a dipper full of water that was teaming

标签: entomologic,field,technician,w 浏览: 20

entomologic field technician using a suction pipette in order to trap mosquito larvae in a water sample

标签: entomologic,field,technician,u 浏览: 17

drainage canal was constructed in order to provide a permanent waterway promoting the free flow of water

标签: drainage,canal,was,constructed 浏览: 17

digitally colorized scanning electron micrograph sem of an untreated water specimen

标签: digitally,colorized,scanning,e 浏览: 21

workers practicing vector control by digging a drainage ditch in order to help disperse standing water

标签: workers,practicing,vector,cont 浏览: 22

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

this curved irrigation canal here empty of water

标签: this,curved,irrigation,canal,h 浏览: 14