英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

jackhammer    音标拼音: [dʒ'ækh,æmɚ]
n. 手提钻

手提钻

jackhammer
n 1: a hammer driven by compressed air [synonym: {air hammer},
{jackhammer}, {pneumatic hammer}]

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Water Spray Control of Hazardous Dust When Breaking Concrete with a . . .
    Water Spray Control of Hazardous Dust When Breaking Concrete with a Jackhammer Summary Construction workers are exposed to hazardous dust when using jackhammers to break concrete pave-ment NIOSH found that exposures could be re-duced by using a water-spray attachment
  • Vibration Syndrome (83-110) | NIOSH | CDC
    Current Intelligence Bulletin 38 In light of a recently completed, comprehensive study, conducted by the National Institute for Occupational Safety and Health (NIOSH), the Institute concludes that vibrating hand tools can cause vibration syndrome, a condition also known as vibration white finger and as Raynaud’s phenomenon of occupational origin Vibration syndrome has adverse circulatory
  • Water Spray Control of Hazardous Dust | NIOSH | CDC
    Construction workers are exposed to hazardous dust when using jackhammers to break concrete pavement NIOSH found that exposures could be reduced by using a water-spray attachment
  • U. S. Overdose Deaths Decrease Almost 27% in 2024
    Provisional data from the CDC's National Center for Health Statistics indicate there were an estimated 80,391 drug overdose deaths in the United States during 2024—a decrease of 26 9% from the 110,037 deaths estimated in 2023 Annual drug overdose deaths are projected to reach their lowest level since 2019 Almost all states across the nation saw decreases; Louisiana, Michigan, New Hampshire
  • Healthcare Professionals: Immunization Schedules | Vaccines . . .
    Make sure your patients stay up to date on recommended vaccines using these schedules
  • RSV Immunization Guidance for Infants and Young Children
    Overview Nirsevimab and clesrovimab are monoclonal antibodies that prevent severe RSV disease and are recommended for infants Nirsevimab is also recommended for some young children Monoclonal antibodies are not vaccines They do not activate the immune system Rather, the antibodies themselves protect against disease Healthcare providers should discuss both the RSV maternal vaccine (Pfizer
  • About Mental Health | Mental Health | CDC
    Mental health is a key component to overall health and is closely linked to physical health Factors at the individual, family, community, and society levels can influence mental health CDC promotes a public health approach to prevent mental health conditions before they develop or worsen If you live with a mental health condition or are experiencing mental distress, help is available
  • Bullying | Youth Violence Prevention | CDC
    Bullying is a type of violence experienced by youth and it can happen in person and through technology Bullying is widespread in the United States and causes harm to youth Preventing bullying involves teaching kids safe ways to stand up against it and enhancing their interpersonal skills, like empathy and conflict management
  • Clinical Overview of Measles | Measles (Rubeola) | CDC
    Clinical features Measles is an acute viral respiratory illness It is characterized by: A prodrome of fever (as high as 105°F), malaise, and cough, coryza, and conjunctivitis (three "C"s) A pathognomonic enanthema (Koplik spots) Followed by a maculopapular rash The rash usually appears about 14 days after a person is exposed The rash spreads from the head to the trunk to the lower
  • Sexually Transmitted Infections (STIs) | STI | CDC
    Sexually transmitted infections (STIs) are very common Bicillin L-A® On March 6, 2026, the FDA announced they are allowing the temporary importation of Lentocilin© due to the ongoing limited availability and extended recovery of Bicillin® L-A See information for health care providers on the administration of Lentocilin© There are further details and priority actions for health





中文字典-英文字典  2005-2009