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cylindrical    音标拼音: [səl'ɪndrɪkəl] [sɪl'ɪndrɪkəl]
a. 圆筒.圆柱状的

圆筒.圆柱状的

cylindrical
筒状物 *

cylindrical
adj 1: having the form of a cylinder [synonym: {cylindrical},
{cylindric}]


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  • Introduction to Bed Bugs - US EPA
    The common bed bug (Cimex lectularius) is a pest – feeding on blood, causing itchy bites and generally irritating their human hosts EPA and other agencies all consider bed bugs a public health pest, but bed bugs are not known to transmit disease
  • Bed Bugs: Get Them Out and Keep Them Out | US EPA
    Prevent, identify, and treat bed bug infestations using EPA’s step-by-step guides, based on IPM principles Find pesticides approved for bed bug control, check out the information clearinghouse, and dispel bed bug myths
  • Bed Bugs Appearance and Life Cycle | US EPA - U. S. Environmental . . .
    Knowing what to look for is the first step in identifying and controlling bed bugs There are many bugs that look like bed bugs, so an accurate identification is a critical first step to avoid costly treatment for the wrong bug
  • How to Find Bed Bugs | US EPA - U. S. Environmental Protection Agency
    Look for rusty or reddish stains and pinpoint dark spots on bed sheets or mattresses, and search for bugs near the piping, seams and tags of the mattress and box spring Find and correctly identify an infestation early before it becomes widespread
  • Local Resources for Bed Bug Assistance | US EPA
    Check these and visit the website of your state or local health and regulatory departments as possible sources of bed bug information and assistance Your state cooperative extension service office may be able to help with bed bug identification
  • Do-it-yourself Bed Bug Control | US EPA
    Controlling bed bugs is complex Using an integrated pest management (IPM) approach incorporates both non-chemical and pesticide methods Success depends on the extent of the infestation, clutter on site, and resident participation
  • Top Ten Tips to Prevent or Control Bed Bugs | US EPA
    Confirm you have bed bugs rather than other insects (if needed, show to your local extension agent trained in pest control), assess Integrated Pest Management (IPM) options before considering pesticide, try mattress encasements, and more
  • Getting Rid of Bed Bugs - US EPA
    Controlling bed bugs using integrated pest management means using a variety of methods, including both chemical and non-chemical techniques If you would like to use a do-it-yourself approach, be sure to come up with a plan to execute to ensure eradication and safety
  • Preparing for Treatment Against Bed Bugs | US EPA
    Eliminate Bed Bug Habitats See "reduce clutter " Caulk cracks or crevices around baseboards Repair any wallboard damage, ensure wallpaper is not loose Check electrical outlets and wall switches for evidence of bed bugs Clean if needed Tape or caulk the rims to prevent bed bugs from getting behind the plates Additional Information
  • Bed Bug Myths | US EPA - U. S. Environmental Protection Agency
    Learn the truth about bed bugs, such as how easy they are to see with the naked eye, their preferred habitat, whether they transmit diseases, their public health effects, and whether pesticides are the best way to deal with an infestation





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