These regulations relate only to people under the age of twenty-one.

Nowadays, the personnel positioning system in coal mine has entered debugging and running-in stage.

目前, 井下人员定位系统已经处于调试和试运行阶段,运行效果良好.

The field trial operation proves its reliability.

经过现场试运行,证实该装置可靠.

The complete set is about to pilot run.

该控制器及成套装置即将投入试运行.

All parameters of motor during commissioning should not excess technical specification.

电机试运行各种参数,不超过产品技术条件的规定.

Provides guidelines for installation, startup and commissioning of ground-source systems.

提供了地源热泵系统安装, 启动和试运行指南.

The trial operation results show that the measures are feasible.

多次的试运行结果表明改进措施是可行的.

Be involved into the plant construction, equipment installation commissioning.

参与工厂的建设和试运行, 包括生产设备的安装、调试.

This mode is put into trial operation and the effect is satisfactory.

该配合模式已经投入试运行,效果良好.

The operation of a bag-type collector comprises trial running and daily running.

袋式除尘器的运转分为试运行与日常运行.

I am very sorry that a previous engagement prevents me from accepting your kind invitation.

我很抱歉,因为已另有约会不能接受你的盛情邀请.

I loafe and invite my soul.

我盛情邀请灵魂同我一道悠游.

Please accept our thanks for your kind invitation.

承蒙盛情邀请,请接受我们的谢意.

Many thanks for your the kind invitation.

非常感谢你的盛情邀请.

I declined his kind invitation due to my work.

由于工作关系,我推谢了他的盛情邀请.

There arrives , viamail, email or telephone call, a glorious invitation.

常常会通过信件 、 伊妹儿或者电话收到盛情邀请.

I wrote back ( to him ) immediately to thank them for the invitation.

我立刻 ( 给他 ) 写了回信,感谢他们盛情邀请.

I declined with much regret your kind invitation.

很遗憾,我不能接受您的盛情邀请.

Much to my regret, I refused to accept your kind invitation.

(当时)拒绝您的盛情邀请, 深感后悔.

So don't and drive. And if you're older, think twice about and walking.

因此,不仅不要酒后驾车, 而且,若你上了年纪, 酒后走路也应慎之又慎.

It's very risky to do this, so he considers it time and again.

做这件事情要冒很大的风险, 他慎之又慎.