For long hours he flew, listening only to the sound of his engine.
在经过长时间的飞行，他只能听到发动机的声音。
It's been two days. My laptop has gone to sleep a few times, so we haven't actually run for 48 hours (although the engine thinks it has been up all that time).
在两天中，我的笔记本电脑休眠了多次，因此并没有真正运行48小时(虽然引擎认为它一直在运行)。
In theory, the airbreathing engine could propel an airplane to speeds of Mach 7 or faster, enabling aroundtheworld flights that would take several hours.
从理论上讲，这种喷气引擎可以将飞机速度推进到7马赫甚至更快，使飞机能在数小时内完成环球飞行。
The Honeywell HTS900-2 engine has successfully completed over 175 hours of flight testing and continues to demonstrate exceptional performance.
霍尼维尔HTS900-2引擎已经完成了175小时以上的飞行测试，表现优异。
Standing almost 12 metres (40 feet) tall, Su's "Cosmic Engine" wavered, it is said, by only a few minutes in every 24 hours.
几乎有12米(40英尺)高，苏的“宇宙机器”据说每24小时只慢几分钟。
Ever go look up something on a search engine, something totally innocuous like Elizabeth Taylor, and it kicks off an awful journey that leaves you bleary-eyed three hours later?
你有没有使用搜索引擎上搜索过什么信息，一些完全无害的信息，比如关于伊丽莎白•泰勒的，结果这却让你踏上了糟糕透顶的搜索之旅，3个小时后，你的眼睛已酸胀不已。
Owners of larger jet planes, for example, need only submit their flight plan 24 hours in advance - as opposed to weeks in advance for smaller craft like single-engine planes.
比如，拥有较大飞机的人，只需要提前24小时提交他们的飞行计划——而不像单引擎飞机之类的较小飞机的拥有者那样需要提前好几个星期。
Some people reported that they would spend close to 30 hours a week checking to optimize their search engine positions.
有些人报告说，他们将动用近30小时的搜寻引擎优化检查阵地。
Engine trouble grounded his plane for three hours.
引擎故障使他的飞机三个小时无法起飞。
Refinishing cylinders requires 12 to 20 hours (according to the type of engine). This includes fitting and installing new pistons, rings, piston pins, and connection rods.
整修气缸需要12～20小时（时间长短取决于发动机的类型），这包括调配和安装新活塞、活塞环、活塞销和连杆。
Instead, just two hours into the flight, an engine oil warning message forced the pilot to turn back for an emergency landing.
然而，大约飞行两小时后，由于燃油报警，飞机被迫回到新加坡紧急降落。
A block heater, which is designed to heat the engine and can cost under $30, on a timer set to start one to two hours before driving, does the trick in very cold climates.
用于加热引擎的缸体加热器，带有定时器，设置好于开车前一到二小时启动，其成本通常不超过30 美元，在非常冷的天气使用很管用的。
Counters for engine starts, operating hours, maintenance call.
柜台引擎启动时，操作时间，维修电话。
Following hundreds hours of altitude test of a turbofan engine at different conditions, it has proved that the reconstruct ion is effective.
某涡扇发动机数百小时的各飞行状态高空模拟试验证实，改造成功有效。
It took the engineer 5 hours to attach the engine to the train.
把这发动机装在火车上花了工程师五小时。
Use of the fourth generation multigrade oil for diesel engine can cut down the warming up hours, save energy, reduce engine wear, and so on.
多级四代机油具有良好的低温起动性能以及节能性能，使用该油品可以缩短打温时间、节约能源、减少柴油机磨损等。
In theory, the air-breathing engine could propel an airplane to speeds of Mach 7 or faster, enabling around-the-world flights that would take several hours.
从理论上讲，这种喷气引擎可以将飞机速度推进到7马赫甚至更快，使飞机能在数小时内完成环球飞行。
Chief Engineer: I will go down the engine room to standby engine by 1900 hours. There isn't abnormality found.
轮机长：我会在1900时下机舱备车，没有发现异常情况。
He fiddled around with the engine for hours.
他胡乱摆弄了几个小时的发动机。
Diesel Oil tank it can meet the requirement of diesel engine for working 4 hours;
泵组配套的柴油箱容量满足柴油机连续工作4小时；
Diesel Oil tank it can meet the requirement of diesel engine for working 4 hours;
泵组配套的柴油箱容量满足柴油机连续工作4小时；
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