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1)  pilot-operated
先导式
1.
Analysis of pressing process about pilot-operated double-seats solenoid valve;
先导式双向电磁阀初始建压过程分析
2)  pilot type valve
先导式阀
3)  preemptive FOF episodes
先导式形式聚焦
1.
The results indicated that preemptive FOF is effective in classroom teaching,and that preemptive FOF episodes initiated by students is more successful than those initiated by teachers.
通过课堂观察、刺激回忆访谈等方法,研究了两名大学教师的大学英语口语课的先导式形式聚焦。
4)  guiding type breath valve
先导式呼吸阀
5)  Preguiding overflow valve
先导式溢流阀
1.
In this paper the preguiding overflow valve has been investigated by theory of flow resistance characteristic,the relationship of the runoff and pressure has been explained and the runoff-pressure characteristic relation has been abtained.
本文应用液阴特性理论,对先导式溢流阀进行了理论分析,阐明了先导式溢流阀流量Q与压力P之间的综合关系,并导出了流量—压力特性方程。
6)  piloted valve
先导式调节阀
1.
Analysis of piloted valve s sealing construction;
先导式调节阀密封结构分析
补充资料:先导式安全阀
分子式:
CAS号:

性质:也称先导式或组合式安全阀。由主阀和辅阀两部分组成。辅阀是一套重锤杠杆式或弹簧式的加载机构,当设备内压力超过规定值时,辅阀先动作,但不直接向外排气,而是通过辅阀给主阀以脉冲作用,带动主阀动作泄压。该阀动作灵活、启闭延迟小、关闭严密。因结构复杂,目前仅在安全泄放量很大的锅炉和压力容器上使用。

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