英语单词

词典成语诗词造句字典单词小说古文名言

perforator

['pɝfəretɚ]

n. 穿孔器；穿孔员

双语例句

1. Perforation effect is seriously affected by the clearance between perforator and casing.: 射孔枪与套管之间的间隙过大会影响射孔效果,太小容易出现工程事故.

2. Objective To study the influence of the pedicle perforator flaps in hemodynamics.: 目的研究主干蒂与穿支蒂穿支皮瓣血流动力学的差异.

3. Wood - base panels . Determination of formaldehyde content. Extraction method called the perforator method.: 木质人造板. 甲醛含量的测定. 称为“穿孔法“的提取法.

4. Perforator: Key board which produces prunched paper tape.: 打孔机: 把纸带打孔的键盘.

5. This paper describes a non - excavating construction machine - hydraulic perforator.: 本文介绍了一种新型非开挖施工机械 ——— 液动穿孔机.