It is suggested that the oblique-cut semi-cylinder shell is a kind of VGs with efficient heat transfer enhancement but low pressure drop.
结果表明：斜截半柱面涡流发生器是一种强化换热效果好又阻力损失小的涡流发生器型式。
2
The company possesses special manufacturing technologies for high-precision grinding and polishing machine for plane surface, spherical surface, curved surface and semi-cylinder.
公司拥有高精度系列平面、球面、曲面、半柱面等研磨抛光设备的高抛、低抛、双面抛专业生产技术。
3
The most common cylinder head types are the hemi, wedge, and semi-hemi.