求翻译：喷油量的多少,取决于喷油时间的长短,喷油器按电磁线圈的控制方式不同,分为电压驱动式和电流驱动式两种,电压式也分低阻和高阻的,高阻的可以接12V电,低阻的只能接低电压,错接在12V上时间稍长会烧线圈.喷油时,电脑提供的电压是恒定的,比如说12V,断油时马上变为0V,这个变化是瞬时的,就像是电脑语言里面的0和1一个概念,中间没有0.5之说.换言之,这是一个脉动的直流电信号.并非什么交流电等等一类的名词,交流电什么概念呢?正负交错才叫交流电.好像汽车里面除了发电机整流器以前的部分,基本上接触不到交流电.是什么意思？

Under what circumstances need cleaning nozzle

The amount of fuel injected, depending on how much fuel injection in the length of time, and the injector solenoid in the control, which is divided into different voltage and current drive-in, voltage is also a low-resistance and high resistance, and high resistance to the power 12 V low resistance,

Spray oil volume of how many, depends on spray oi