英德
有道
百度
谷歌
图片
维基
百科
头孔
[昆] cephalic foramen
- 所制成长丝的直径取决于粘胶的喷丝头孔中的流速，而不取决于孔径的大小。
The size of the filament depends on the rate of flow through the hole of the spinneret rather than on the size of the hole. - 由经典力学理论，对于球形封头开孔应力集中问题，大都采用近似计算公式。
According to the theory of classical mechanics, the problem of stress concentration of open cell of spherical cover end is always solved by approximate computing formula. - 国产核电厂蒸汽发生器下封头群孔接管区具有应力分布复杂、焊接施工条件差的特点。
In domestic nuclear power StationS, the Steam generator down-head tube zone's stress distribution is complicated and the welding Condition of conStruction is rather poor.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
