务必

Remove the batteries when they become weak or when the unit is not in use for extended periods.

干电池的接触部位务必保持清洁。

All sales managers to make sure to follow a well defined systems and procedures to increase our productivity.

全体销售经理务必制定一个健全的体系和操作程序来提高我们的工作效益。

Always be sure to use anything with a strong odor in a well-ventilated area that is well away from your birds.

总是务必使用任何具有强烈气味在通风良好的地区，以及远离您的鸟类。

"The rain is wetting your dress; please do come in," he said.

"雨把您的衣服打湿了；请您务必进来，"他说。

At present, more screen varieties, the product is not uniform, but it is important to clear the screen mesh size and diameter determines screen of perforated and whee thickness, at the same time, influenced by the online photographic emulsions, hosting the content, obviously, perforated, the screen can be primary processing rough coated photographic emulsions in respect of this exposure time should also be the longer exposure time otherwise.

纲后，丝网品栽较众，产物参不差不齐，但有一点务必不合明，丝网的纲数与丝径不决着丝网的开孔率和网布薄度，同时，又感化着感平乳剂的网上驻留度，较着，开孔率不小、丝线不细的丝网可涂布的感平乳剂不离薄，所以曝平工夫也答相答加长，反之则曝平工夫缩长。

B the nozzle without wind question: with regard to this problem, first check the wind pump is in work, and then verify whether the increase in the stack to the correct location, in front of the stack must be of induction head stack obscured paper machine starts running, the wind began to sucker.

B。吸嘴无风题目：对于这个题目，请不后查抄风泵是否在处事，然后查抄纸堆是否跌落到侧确场所，纸堆后背的感答足务必被纸堆遮盖，板滞不休运动动纸步调时，吸嘴风才不休投递。

Investing in sexy new stainless steel appliances may be a wise idea when it comes to cooking up a quick flip – be sure to add a coveted glass-front wine cooler.

当谈到快速买卖时，投资在诱人的新不锈钢电器也许是一个明智的想法-请务必安装一台垂涎的玻璃冷酒器。

One of the victims was Wing Commander John White, who had played a significant role in the successful bombing of Peenemunde.

其中有一位是在轰炸佩纳明德立了大功的中尉约翰怀特。黑体单词，为重点词汇，请大家务必掌握！！！

He wants you to see him in London without fail.

他要你务必在伦敦见他。

He want s you to see him in London without fail.

他要你务必在伦敦见他。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。