When in use, only the well cover is rotated.
使用时只要旋转井盖。
These vessels ride on a cushion of air when in use.
这些舰船在开动的时候，是浮在气垫上的。
When in use, the Harvester also radiated a bright purple glow.
当使用时，采集器还会放射出一团明亮的紫色光辉。
When in use, avoid running or dancing, etc. at the same time a strong movement.
使用中时请避免同时进行跑步或跳舞等强烈运动。
Pay special attention to the mold's maintenance when in use, making it dry dustless.
在使用过程中要尤其注重模具的保养，确保干燥、无尘。
Pay special attention to the molds maintenance when in use, making it dry and dustless.
在使用过程中要尤其注重模具的保养，确保干燥、无尘。
Do not cover the product with cloth paper or any material not part of the product when in use.
当使用产品时，不要用布，纸或者不是产品一部分的任何材料将产品覆盖着。
When in use, portable ladders should be secured at the top. If not, it should be held by another person.
使用轻便梯子时，要把顶部拴住，否则，就由另一个人扶着。
When in use, the knob is loosened and the length of the cantilevers is regulated according to the clothes for air-curing.
当使用的时候，将旋钮松开，根据所晾晒的衣物调整悬臂的长度。
They are best used in an environment where static is not critical to the task at hand or where the brush is submerged in liquid when in use.
该产品最适合用在手边的静电对工作不是很关键，或者是刷子被泡在液体环境下。
Even when in use, they require a lot of maintenance—to adjust them from child to child, to keep them in good working order and to keep them clean.
即使使用了安全带时，孩子仍需要很多的保护，例如调整儿童之间的距离；保持安全带发挥作用；并保证清洁。
It is necessary to make it clear when in use, ask special persons for help if any inquiry, otherwise, drive motor of auto inflator may be damaged.
使用时务必查清，如有疑问可找专业人员帮助解决，否则会损坏自动充气机的驱动电机。
This is the real seamless bridge, when in use, the need to take when using the same long nail card go (raise the licensing) previously placed on the card.
这就是真正的无缝桥，运用时，需要搭当用同样长的指甲卡走(抬牌)先前放上的牌。
When in use, first with a foot stomp on the tongue and then another foot shoes help boosting the elastic band 4 and back against the pull it, homeopathic toe penetrated into the uppers.
使用时，先用一只脚踩住踩舌⑤然后用另外的一只脚的鞋后帮托住松紧带④并向后抵拉它，顺势将鞋尖穿入鞋帮②内即可。
Projector may occur various malfunction when in use. Judging the cause of its occurrence according to the breakdown phenomenon we can solve the problem in time and increase its efficiency.
投影机在使用过程中，会出现各种各样的故障，可根据故障现象判断其发生的原因，从而及时解决问题，提高使用效率。
When in use it is locked in place using two quick release pins. The leverage provided by the handle allows the scanner to be easily tipped onto the rear wheels for removal or moving around the floor.
在使用时，手柄被两个快速释放销固定在位置上，手柄提供的杠杆作用可使扫描仪在卸下时或在地面上移动时方便地倾斜至后轮上。
The table folds up when not in use.
这桌子不用时可以折叠起来。
I also mention in my book that when we use the OO paradigm, it is not easy to represent graphically at all times where our application is.
在书中我还提到，当我们使用OO范式的时候，要在任何时间图形化地表示出我们的应用程序在哪里并不容易。
In order to successfully refer when we use language, there must be an appropriate relationship between the speaker and the object referred to.
为了在我们使用语言时成功引用，说话者和被引用的对象之间必须有合适的关系。
Next time, when we want to use our laptops or our smartphones in public places which offer free WiFi networks, please think it twice or take safe measures before using them.
下次，当我们想在提供免费WiFi网络的公共场所使用笔记本电脑或智能手机时，请三思而后行或者在使用之前采取安全措施。
The language and style you use when making an oral presentation should not be the same as the language in style you use when writing.
你在做口头报告时使用的语言和风格不应该与你在书面写作时使用的语言和风格相同。
When not in use, the fins are tucked into special grooves or depressions so that they lie flush with the body and do not break up its smooth contours.
当鱼不使用鱼鳍时，会将它们折叠起来，收回到特殊的沟槽或者凹陷部位；这样鱼鳍就可以与身体保持齐平，以维持它们平滑的外形。
In dry Mediterranean areas, tourists use almost twice as much water as local people when swimming in the pool.
在干燥的地中海地区，游客在游泳池游泳时的用水量几乎是当地人的两倍。
Apple's stance on these issues emerged post-Snowden, when the company started putting in place a series of technologies that, by default, make use of encryption to limit access to people's data.
苹果公司在这些问题上的立场是在斯诺登事件出现后形成的，在那之后，公司开始采用了一系列的技术，这些技术在默认情况下将使用者的数据加密，限制他人访问。
Listeners are appreciated when speakers use simple, everyday words in a presentation.
当演讲者在演讲中使用简单的日常用语时，会很受听众欢迎。
Generally speaking, it's no use talking to a person when he's in a temper.
一般来说，当一个人在气头上时，跟他谈话是没有用的。
When you have to say something in English, think first and ask yourself" What words and phrases do I know in English that I can use in this situation?"
当你必须用英语说某事时，先问问自己“我知道什么英语单词和短语在这种情况下可以用上？”
When we are in a terrible situation but we have to laugh to cheer ourselves up, we can use a "cry laugh" emoji.
当我们处在一个糟糕的情况下，但却不得不用笑容让自己振作起来的时候，我们可以使用“哭笑”的表情。
When there's a fire, follow the teachers' instructions, leave the classroom quickly and use a piece of cloth to cover your mouth and nose so that you don't breathe in smoke.
发生火灾时，按照老师的指示，迅速离开教室，用一块布遮住口鼻，以免吸入烟雾。
When there's a fire, follow the teachers' instructions, leave the classroom quickly and use a piece of cloth to cover your mouth and nose so that you don't breathe in smoke.
发生火灾时，按照老师的指示，迅速离开教室，用一块布遮住口鼻，以免吸入烟雾。
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