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短语
perforation
释义
perforation
[,pə:fə'reiʃən]
n.
穿孔,打孔;贯穿;打眼
钻孔,冲孔
孔眼;(邮票等的)孔状接缝
洞;眼;孔道(如固体推进剂药柱的)
因事故(或疾病)造成身体某部的破裂
器官(或身体某部)的天然裂口
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free of tax
free on board
free on rail
free oscillation
free oscillations
free overside
freep
freepaper
free pass
free passes
free-piston engine
free place
free play exercise
Freeport
free port
free ports
freeports
Freepost
freeposts
free press
free presses
free product
free products
free progressive wave
free quark
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更新时间:2026/3/10 10:01:30