47.the steam valve of main engine fresh water heater leaked

主机淡水加热器的蒸汽阀有滴漏。

Chief officer: yes, it has , one more , has main engine been standby?

是的，另外，备车了吗？

When main engine speed decreases or breakdown?

主机转速降低或故障时？

Total retail sales of consumer goods exceeded 40 trillion yuan, and consumption continued to serve as the main engine driving growth.

社会消费品零售总额超过40万亿元，消费持续发挥主要拉动作用。

Yes, the main engine, the diesel generator and the steering gear.

是的，主机、发电机和舵机。

Images appeared to show that several of the 33 main engines were not firing as the rocket climbed from the launch site.

图像显示，当火箭从发射场爬升时，33台主发动机中有几台没有启动。

Question 9: What kinds of main engine and generator engine have you worked on?

你工作过的主机和发电机类型是什么？

It had the trademark shuttle look with two solid rocket boosters and a giant external fuel tank supplied the orbiters three main engines.

它有标志性的航天飞机外观，有两个固体火箭助推器和一个巨大的外部燃料箱，这就为轨道飞行器提供了三个主发动机。

With a simple switch, the pilot can disengage the propeller from the main engine and start the electric motor to keep it spinning.

只需一个简单的开关, 飞行员就可以断开主发动机的螺旋桨并启动电动机使其继续工作。

Moreover, construction has long been one of the economy's main engines, accounting for as much as a quarter of GDP growth until recently.

而且建筑行业一直是国家经济增长的主要引擎之一，直到最近仍占GDP增长的四分之一。

NASA said on its website that the problem was linked to difficulties cooling the rocket's main engines to the needed temperature for liftoff.

美国航空航天局在其网站上表示，这个问题与难以将火箭主引擎冷却到发射所需的温度有关。

For one, the SLS will be using the same main engines as the Space Shuttle, which flew from 1981 till 2011.

首先，SLS 将使用与 1981 年至 2011 年飞行的航天飞机相同的主引擎。

The U.S. space agency cited a problem detected on one of the rocket's main engines, after launch teams had begun filling the rocket's core fuel tanks with liquid oxygen and hydrogen propellants.

美国航天局称，在发射小组开始向火箭的核心燃料箱注入液氧和氢气推进剂之后，火箭的一个主引擎被检测到了问题。

An APU is a small turbine  engine that, on modern jets, is attached to the rear fuselage of the aircraft to provide power  onboard when the main engines are switched off.

APU 是一种小型涡轮发动机，在现代喷气式飞机上，它安装在飞机的后机身，以便在主发动机关闭时提供机载动力。

" During her first set of sea trials, Icon of the Seas traveled hundreds of miles, during which the main engines, hull, brake systems, steering, noise, and vibration levels were all tested, " the statement said.

“在第一次海上试验中，海洋圣号航行了数百英里，期间对主发动机、船体、制动系统、转向、噪音和振动水平进行了全部测试。”

Three, two, go for main engine start, one, zero and lift off of the Atlas V rocket with Cygnus and the SS John Glenn, extending the research legacy for living and working in space.

三，二，主发动机启动，一，零，阿特拉斯 V 火箭与天鹅座和 SS John Glenn 一起升空， 扩展太空生活和工作的研究遗产。