Reciprocating pump discharge pipe must be before the start of the valve to open.

Hydraulic lash adjusters have many advantages for valve train, however, they generate some problems such as engine start noise, lower valve train stiffness, high sensitivity to valve train dynamic behavior, and possible pump up.

气门机构采用液压间隙调节器（HLA）有诸多好处，但也带来了起动噪声、气门机构刚度降低、HLA对气门机构动态特性敏感以及可能发生泵升等问题。

Oh , goodness, it's almost one o'clock. I have to start work now . Bye!

啊呀, 快一点钟了, 我得开始工作了,再见.

Start work when the bell rings.

铃响时就开始工作.

Let's get this show moving , ie start work.

咱们先干起来吧.

I start work at 8 o'clock.

我八点开始工作.

I start work at nine in the morning.

我上午九点开始工作.

They were supposed to start work at six o'clock.

一般说来他们六点钟开始干活.

Every day I start work at 9:00 and finish at 5:00.

我每天九点开始工作,五点结束.

John signed on yesterday and will start work on Monday.

约翰昨天签约受雇,将从星期一开始工作.

Start the engine and allow to warm up.

启动引擎,准许变热.

Tell me how to start the engine.

告诉我怎样发动这个引擎.

Press this button start the engine.

按此钮发动引擎.

We simply could not start the engine.

我们简直不能发动引擎.

Press this button to start the engine.

按这个按钮开动引擎.

I have got the know how to start the engine.

我想我能开动这引擎.

Now start the engine and let it take load.

现在启动机器,加上负荷.

The battery seems weak or dead when attempting to start the engine.

当试图启动引擎时,电池的能力似乎是微弱或衰竭.

When you start the engine, you must the car is in neutral.

开发动机时, 一定要使汽车的离合器处于空档位置.此处相当于要使!

You can go ahead and start the engine now.

现在你可以去发动引擎了.

When you start the engine , be sure the car is in neutral.

开发动机时, 应确切知道汽车的离合器处于空档位置.