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单词库 \ 英汉词典 \

perforation是什么意思

perforation

英[?p?:f??re??n] 美[?p?rf??re??n]

n. 穿孔，贯穿，针孔，齿孔；

复数：perforations;

相关单词 imperforation intestinal perforation perforations Upper perforation

同义词

perforation的同义词之：
prick

柯林斯高阶英汉双解学习词典释义

N-COUNT

小孔；小洞；（尤指）纸孔

Perforations are small holes that are made in something, especially in paper.
例句
Tear off the form along the perforations and send it to Sales... 沿着纸孔撕下表格，寄给销售部。 When held to the light the small oblong leaves are seen to possess tiny perforations. 迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。

英英词典释义

Noun
1. a line of small holes for tearing at a particular place
2. a hole made in something;
"a perforation of the eardrum"
3. the act of punching a hole (especially a row of holes as for ease of separation)

行业词典

力学：穿透；
医学：穿孔，穿破：穿过某处的动作，孔：穿过某物质或其一部分的洞；
石油：射孔；
药学：穿孔；

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