工芸基礎知識（選択問題）20180625
Thread Content
工芸基礎知識（選択問題）20180625 次のポンプのうち、安全弁を設置しなくてもよいのは 。 A. 往復ポンプ B. 齒車ポンプ C. シングルスクリューポンプ D. 高揚程多段遠心ポンプヒント：ウォーターリングポンプを除き、一般的な容積式ポンプには安全弁が設置されている。
D~~~~~~~~~~~~~~
**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.