化工管道设计技术词汇(中英对照完整版)! - 河北屹洋管道设备有限 ...
Nov 25, 2016 · 水煤气钢管water-gas steel pipe 塑料管plastic ... 气缸(或液压缸)操纵的cylinder operated ... 电磁阀solenoid valve, solenoid operated valve
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ytst Contacts: Tel: 0317-6608591 Website: ytst.net
ytst's website is ytst.net