" I also understand that India has now banned the two-stroke gas engine."

“我也理解印度现在禁止二冲程燃气发动机。”

An opposed-piston engine is a two-stroke engine with separate oil flow.

一台对置活塞发动机就单独油流量二冲程发动机。

There's four stroke motors, four stroke piston engines being the most common.

有四冲程电机，四冲程活塞发动机最常见。

On the flip side, diesel engines are bulky, and typically consist of longer piston strokes, so they can't reach high RPMs without incurring a lot of mechanical strain.

另一方面，柴油发动机体积庞，通常由更长活塞冲程组成，因此它们无法在不产生很机械应变下达到高转速。

In 1885, Ford was tasked with fixing an Otto engine, a large stationary single-cylinder internal combustion four-stroke engine designed by German Nikolaus Otto.

1885 年，福特任务修理奥托发动机，这一种由德国人尼古拉·奥托设型固定式单缸内燃机四冲程发动机。

If you make the stroke of the crankshaft longer, you'll get more torque.

如果你延长曲轴冲程，你会得到更多扭矩。

The overall lighter architecture of gasoline engines, and the shorter bore-and-stroke combination, allow for greater power output and the capability to reach higher revolutions per minute (RPMs) .

汽油发动机整体结构更轻，内径和冲程组合更短，允许更功率输出和达到每分钟更高转数（RPM）能力。

So going back to the four strokes of the motor, the piston is forced down, as the piston is forced down, it's forced down on a crank shaft.

说回到四冲程电机，活塞被向下推，当活塞被向下推时，它被压在曲轴上。

The first stoke being the intake stroke.

第一个冲程进气冲程。

So let's talk about the four strokes of the motor.

所以让我们来谈谈四冲程电机。

Diesel requires heat and pressure, same concept, same four strokes, but the piston comes up, it's compressing the diesel and the air, but much higher pressure than a gasoline motor.

柴油需要热量和压力，相同概念，相同四冲程，但活塞上来，它会压缩柴油和空气，但压力比汽油发动机高得多。

This part of the cycle is named the power stroke.

这一部分循环被称为动力冲程。

The Trabant had a 25 hp two-stroke engine closer to what's in a lawnmower than a car, a plastic body, no fuel door, no rear seatbelts, not even a turn signal indicator.

特拉贝特汽车配备了一台马力仅25匹双冲程发动机， 其动力接近割草机而非汽车水平，车身采用塑料材质， 未设油箱门， 后排安全带缺失，甚至连转向灯指示器都未配备。

On the other hand, the lawn equipment has no catalytic converters. And you use gasoline, you use two stroke oil, you mix it up, and it's a toxic combination.

另一方面，草坪设备没有催化转换器。而且你使用汽油，使用两冲程机油，将它们混合，这就成了有毒组合。

The intake stroke, piston goes down.

进气冲程活塞下降。

If you make the stroke of the crankshaft shorter, you're going to lose torque, but you'll be able to gain RPM.

如果你缩短曲轴冲程，你就会失去扭矩，但你将能够获得RPM。

What is the sequence of the four strokes?

四个冲程顺序什么？

So in this engine, if you increase the pressure, then you'll have more force on the piston to use during the power stroke.

因此，在这种发动机中， 若提高压力，则在动力冲程期间， 活塞上将产生更力以供利用。

Over time, the wing beat that helps them scramble becomes the power stroke that helps them fly.

随着时间推移，帮助它们攀爬翅膀拍打变成了帮助它们飞行动力冲程。

Four-stroke engine has an enough overlap between inlet valve opening and exhaust valve closing.

四冲程发动机进气门开启与排气门关闭之间有足够重叠。