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- punching hole diameter 冲孔直径
- Hub Flange - spoke hole diameter. 轴皮上穿辐条的孔的圆心所在圆的直径。
- Analying the pipe punching hole each kind of form characteristic and the difficulty. 分析了管子冲孔工艺的各种形式特点及难点。
- This paper introduces the structure,design and principle of punching hole mould for discs in disc type separators. 主要阐述碟式分离机碟片冲模设计计算、结构特性以及工作原理。
- Influence of overflow hole diameter on performance of hydrocyclone for high water-cut crude predissociation. 溢流口直径对原油预分水旋流器性能的影响。
- The affects of slowness changes on hole diameter opposite a receiver could not be compensated completely. 计算结果表明，双发双收声系对扩径影响的补偿不彻底。
- The compensated ability varies with the difference of bed slowness and changes of hole diameter. 随着地层时差的不同和扩径量的不同，双发双收声系的补偿能力也不同。
- The measurement of acoustic moveout is affected by both hole diameter enlargement and lithological change. 摘要声波时差测量结果受井径扩径和岩性变化的双重影响。
- Small pieces of paper or cardboard generated by punching holes in paper tape or data cards. 孔屑在纸带或数据卡片上打孔所产生的小纸屑或硬纸片
- The reporter saw : ground caved Department hole diameter of about 1 meter, the ground around a slight subsidence. 记者看到：地面塌陷处的洞口直径约1米，周围地面略有下陷。
- Punch holes with a needle for inserting the winglets. 4.;在机翼后端钻孔用以固定副翼 4
- Select planting sites in the trench, hole diameter is approximately twice the root saplings. 种子要撒均匀，可以渗入一些细沙，然后分成两份来撒。
- Then,Fermat minimum time principle is used to deduce the compensation formula by considering the effect of both hole diameter and lithology. 声波时差测量结果受井径扩径和岩性变化的双重影响。
- The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite. 结果表明：在开孔尺寸一定的情况下，随著板宽的增大，开孔损伤板的应力集中因数减小；
- The factors of distance, hole diameter, K value and temperature affecting the measuring precision of K value of angle probe were analyzed. 分析距离、孔径、K值和温度等影响斜探头K值测量精度的因素。
- The direction of the perforator development was more penetration depth, concentrated hole, large hole diameter and non pollution blasting. 最后提出射孔弹应向高穿深、高孔密、大孔径、无污染的方向发展。
- A keyboard-actuated punch that punches holes in a data medium. 一种由键盘操纵的穿孔设备，用以在数据载体上进行穿孔。同keyboardpunch。
- The effect of spinneret hole diameter on the filament diameter and birefringence of PET POY was studied by using the same spinneret. 具体分析了喷丝孔直径与剪切速率及喷丝头拉伸倍数之间的关系，提出了喷丝孔直径的选择依据。
- We are meeting here today precisely to punch holes in this paper tiger of theirs.Let us relentlessly combat these anti-Communist die-hards. 我们今天开大会，就要戳破他们的纸老虎，我们要坚决地反对反共顽固派。
- A keyboard machine that is used to punch holes in cards or tapes for data-processing systems. 键盘穿孔机一种键盘机器，用于为处理信息系统而在卡片或磁带上打孔
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
