crack valve

英 [kræk vælv]

美 [kræk vælv]

瓣阀

Always open a cylinder valve slowly. Never crack open a hydrogen cylinder to clear the valve of dust, as the escaping hydrogen may ignite.
总是慢慢地开启钢瓶阀门。由于溢出的氢可能着火，禁止啪地一声打开氢钢瓶。
Reason Analysis and Treatment of Weld Crack in Water Drain Valve Base of Spiral Casing in Longtan Hydropower Station
龙滩电站蜗壳排水阀阀座焊接裂纹产生原因及处理
At the same time, crack prevention in check valve has been discussed based on type selection and design improvement for foreign project construction.
同时进一步就国外工程建设的特殊性，探讨了如何通过选型和改善设计方案。预防和避免同类型设备出口逆止阀的破裂。
The Analysis and Repair Welding of the Crack in the Main Steam Valve
高压联合调门裂纹分析及焊补修复
The study work is focused on the effect of temperature upon mechanical properties, creep, initiation and propagation of fatigue crack for the valve material.
着重温度对气门材料的力学性能、蠕变和疲劳裂纹形成与扩张的影响等问题进行分析和研究。
Crack Analysis of High Temperature and Pressure Pipe& Valve
高温、高压管阀裂纹分析