HCBBS Forum (한국어)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

["【일일일제】이론적 기초2

2019-06-22View Original

Thread Content

liéng yī tí" "객원 문제: 유체가동이 평방 저항 구역에 있으며 동일한 유량으로 동일한 면적 A를 가진 원형, 정方形,方形”、三角形和矩形4개의 다른 형상의斷面截面的管道通过。그들中的它们受到的阻力最小의截面形状是( ) A. 원형 B. 정方形 C. 삼각형 D. 직사각형 답안:A 힌트:답 pérdidan可见" 若要查看答案,请回复可见"

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.