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单词 perforations
释义

perforations

听听怎么读
英 [p?:f?'re??nz]
美 [p?f?'re??nz]
是什么意思
  • n.

    穿孔( perforation的名词复数 );贯穿;针孔;齿孔

  • 英英释义

    perforation

    • n.
      • a line of small holes for tearing at a particular place
      • a hole made in something

        "a perforation of the eardrum"

      • the act of punching a hole (especially a row of holes as for ease of separation)
    学习怎么用

    词组短语

    perforation plate穿孔板;匀浆板

    双语例句

    1. Tear the sheet of stamps along the perforations.
      沿齿孔把邮票撕开。
    2. Grooves extend to the finished edge, but rear perforations are not visible.
      凹槽延伸到成品的优势,但后排齿孔中不可见。

    权威例句

    ERCP-related perforations: risk factors and management
    Colonoscopic perforations: a review of 30,366 patients.
    Colonoscopic perforations: incidence, management, and outcomes
    Repair of Root Perforations Using Mineral Trioxide Aggregate: A Long-term Study
    Cerebral aneurysm perforations complicating therapy with Guglielmi detachable coils: A meta-analysis
    Use of mineral trioxide aggregate for repair of furcal perforations
    Amniotic membrane grafts for nontraumatic corneal perforations, descemetoceles, and deep ulcers.
    Sealing ability of a mineral trioxide aggregate for repair of lateral root perforations.
    The resurfacing of adult rabbit articular cartilage by multiple perforations through the subchondral bone
    Use of anti-inflammatory drugs by patients admitted with small or large bowel perforations and haemorrhage.
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