perforation hole发音

意思翻译

射孔孔眼

相似词语短语

perforation───n.穿孔；贯穿

hole───vt.凿洞；vi.凿洞，穿孔；（高尔夫球等）进洞；n.(Hole)人名；(瑞典、挪)霍勒；(英)霍尔；n.洞，孔；洞穴，穴；突破口

perforation dental───齿孔

perforation line───穿孔线

perforation definition───穿孔定义

drilling hole───钻孔

through hole───透眼，透孔，通孔

castellation hole───蜂窝孔

he hole───he洞

双语使用场景

energy and the hole diameter formula of jet perforating are employed to deduce the relationship of diameter and velocity of jet for cylindrical hole of perforation concrete.───能量守恒原理及侵彻孔径公式，推导了获得圆柱形穿孔的射流直径与速度的关系。

This paper deals with the design, research and application of a kind of new technique on the big hole perforation in oil well and forming fissure in oil layer.───论述了一种大孔径射孔造逢新技术的设计、研究及应用 ，该技术特别适用于稠油常规开采。

If your ERCP included a therapeutic procedure such as removal of stones or placement of a stent (drain), there are additional small risks of bleeding or perforation (making a hole in the intestine).───如果要通过造影进行治疗，比如结石清除或者放置支架引流，还要考虑出血或者肠穿孔的风险。

If you have an injury or perforation (hole) of the ear drum or after ear surgery unless directly by a doctor.───如果有受伤或是耳膜有穿孔，或耳朵手术后，不要使用，除非有医生的建议。

a tabling pin (4) for making the screw tread part (53) is throughout into the perforation hole (43);───具有使所述螺纹部（53）贯穿地插入的贯通孔（43）的嵌合销（4）；

英语使用场景