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

毎日1問、正解しても賞品なし、娯楽を目的としています。

2019-11-11View Original

Thread Content

9. スクレーパーを使って曲面をこする際の方向は、一般的に軸線方向と(??????)の角度をなすようにし、2回に分けて交差させながら行う。?A、45° ?B、60° ?C、90° 昨日の問題の正解は:B 8.ピストンリングは開口状のリングであり、自由状態における直径はシリンダー直径より(?大きい)ものでなければならない。?A、等しい??B、大きい??C、小さい?

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.