毎日1問、正解しても賞品なし、楽しみが目的
Thread Content
？15. 軸と転動軸受の内輪が噛み合う軸には（ ）が使用される。？A、基孔制 B、基軸制 C、基孔制 昨日の問題の答え：C 14.型番129の転動軸受の内径は（145mm）です。？A、29mm B、90mm C、145mm
答え：A C、二つとも同じだよ
**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections
Submit Request — Free ConsultationThis 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.