七川 meaning in Chinese
nanakawa
Examples
- At the same time , there are significant dose - effect relationships between pollutants and rna and dna contents , which is the contents first increase and then decrease or completely decrease with the increasing of dose
U七川见防暴露剂良的增加， rna 、 i n八大利匕i川后卜降或个部下降的剂原一交仆y为系。 - Finally , because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve , the response performance of the solenoid valve is investigated . the response performance of the solenoid is influenced by many factors , such as driving voltage , electric driving unit etc . in order to have high excitation voltage and in low maintaining voltage , a high - low voltage electric driving unit is designed , and in order to make the solenoid valve close more rapidly , an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit , too . in the high - low electric driving unit , high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速强力电磁阀的响应性能除了与阀本身的结构和材料有关外，与驱动电压、驱动电路的设计密切相关，本文通过分析，首先开发出一种高低压驱动电路，高压电源是山升压式dc - dc原理获取的，低压由蓄电池本身提供，实现高压强激和低压维持的功能，电路中采用有源续流电柴汕机中卜轨知介系统的设训及其七川j敝略的叭究路进行续流，加诬了电磁阀的关闭速度；采用自举吐路，降低了场效应管对驱动电压的要求。