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Clean work surface allows the installation of air duct save time and reduce trouble.

洁净的工作表面可使风管的安装节省时间并减少麻烦。

The solution of problems such as water hammer,hard to dispose the noncondensables, air lock and selection of steam trap were discussed to save energy,protect environment and lower the cost.

指出蒸气凝结水回收的重要性的同时对炼油厂蒸气凝结水回收系统中存在的诸如水击、非凝结性气体不能排除、气阻及疏水阀的选型安装等问题的解决办法进行了探讨。

We travel by air in order to save time.

我们乘飞机旅行以节省时间。

If you travel by air, you'll save a lot of time.

如果你是搭机旅行，就能省下许多时间。

Ground-source heat pump systems can save 40%—50% of energy than air-cooled heat pump system.

地源热泵系统比风冷热泵系统节能40%—50%。

Airframe strength not only superior, but also can save 35 percent off manufacturing costs.

不但机身强度出众，而且还可以节约掉35％制造成本。

Save as long as the airproof store in a cool dry place.

保存时只要密封存放在阴凉干燥处即可。

In order to save energy, modern buildings have increased the airtightness of their structures, and decreased their ventilation volume, thus leading to the worsening of indoor air quality. In view of this, the study used solar-energy electrolytic condensed water to improve the IAQ. Besides hydrogen that can serve as a replaceable energy for environmental protection, oxygen can even offer valuable usages.

为了因应节约能源，现代建筑物在建筑结构上增加其气密性，并且减少建筑物的通风换气量，致使室内空气品质恶化，故本研究利用太阳能电解冷凝水改善室内空气品质，除了氢气可供作为环保替代能源之外，氧气更能够做有价值的利用。

The hero of "Anthill" is Raff Cody, an Alabaman youngster who follows up his biology studies with a stint at Harvard law school, with the express purpose of returning equipped to save his beloved patch of forest from rapacious property developers.

蚁丘》的主人公拉夫科迪是一位阿拉巴马州青年，带着准备从贪婪的地产商那里夺回他心爱的森林这一明确目的，他在哈佛大学法学院对生物学的研究坚持不懈、不遗余力。

To save time the assistant secretary cast a single ballot as the unanimous vote of all for Dr. Alger.

为了节省时间，副秘书长代表全体选举人的公意投了一张总选票，选举了阿尔杰博士。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。