裂;Sheets of postage stamps are perforated.
一张张的邮票都打过接缝孔。
〕
: perforated, perforating, perforates Sheets of postage stamps are perforated.
一张张的邮票都打过接缝孔。
The insufficiency of perforating veins is the main cause resulting in the recurrence of varicose veins after varicotomy in lower extremities.
交通静脉功能不全是
肢静脉曲张术后复发的主要原因。
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