テクノロジーの基礎知識（選択問題） 20180807
Thread Content
油圧制御チェックバルブは、必要に応じて圧力信号を必要とします。 A. ある方向を閉じたとき B. ある方向をオンにしたとき C． D. 両方向が閉じている場合。両方向オンの場合
特定の方向に開く場合はBを選択してください
**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.