Flue gas dampers of heating plants for liquid or gaseous fuels , mechanical control dampers ; safety requirements and test 使用液体或气体燃料的加热装置的燃气烟道闸.机械控制
Analog fuel quantity gauging technique and simple mechanical control has been the standard method of aircraft fuel system . but this method has a lot of defects 长期以来,飞机燃油系统采用模拟式燃油量测量和简单机电控制的方式进行工作,这种方式存在诸多弊端。
Company mainly manufactures solenoid pulse valve ( right angle , in line , ex - proof series ) cylinder , air source , treatment unit , solenoid valve , mechanical control valve 公司主要生产电磁脉冲阀(直角式、淹没式、防爆等系列) 、气缸、气源处理件、电磁阀、机械控制阀等系列气动元件。
Analysing the existing metro electyical and mechanical control system networking projects in china , this article explores into the future development of electyical and mechanical control system networking 摘要对目前我国地铁机电设备监控系统构网的方案进行了分析。理想的方案更应从系统的可靠性、投资额、可维修性、投运周期性及实用性等来比较分析。
In the modern mechanical control system , there is the same problem in the helicopters , the emitting of the rocket and the emitting of the satellite . in our lives , there is also the same question in the gym , skating and driving by bicycle 在近代机械控制系统中,如航空航天上直升飞机、火箭发射、卫星发射及生活中的做体操、花样滑冰、单轮骑车等等,都存在类似于倒立摆的稳定控制问题。