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- Pipeline system:lt adopts the most excellent set in the trade. Main part have BURKERT high-temperature air operated valve and SIEMENS vacuum pump. 管路系统：行业最优化配置，主要部件BURKERT气动阀和西门子真空泵。
- Pilot operated valves shall be considered for back pressures greater than 40% of set pressure if more favourable de-rating factors result in a valve smaller than a bellows type. 如果更多有利的非测定因子导致阀门小于波纹管类型的，对于背压大于设定压力的40%25的，应考虑辅助操作阀。
- Gear operated valves shall be equipped with position indicator and high impact polypropylene handwheel. 齿轮操作蝶阀应该配置位置指示器和高强度抗冲击聚丙烯手轮。
- electromagnetically operated valve 电磁阀
- electromagnetic pilot operated valve 电磁先导阀
- fully on/off motor - operated valve 全开全关电动门
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- He is my best friend, my second self, as it were. 他是我最好的朋友，或者说，是第二个我。
- Have you turned off the water valve? 你关掉水阀了吗？
- Balanced bellows seals may be required instead of conventional type due to process fluid considerations. Pilot operated valves are acceptable in place of bellows type for clean services. 出于对工艺介质的考虑，平衡波纹管密封可能要求替代常规类型。对于洁净用途，允许用辅助操作阀替代波纹管类型。
- He never has any thought of self. 他从不考虑个人得失。
- He is now out of all conceit with his former self. 他现在全盘否定了他原来的自己。
- Pulse valve, gas operated valve, solenoid valve for sewing machine 脉冲除尘阀、气控流体阀、纺机专用电磁阀
- Al causes operated to bring about the war. 那场战争的起因有几个。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- Secret Service operated against the country. 战争期间，情报机关展开了对敌行动。
