长寿命的

It means that the Second Wave energy base is unsustainable.

它意味着第二次浪潮的能源基础，寿命不长了。

Self-priming pump is a self-suction pump, it is simple in structure, easy to operate, easy maintenance, high efficiency, long life, greater self-absorption capacity, and other advantages.

自吸油泵属自吸式离心泵，它具有结构简单、操作方便、维护容易、效率高、寿命长，具有较强的自吸能力等优点。

Self-lubricating, self-aligning, long service life, ideal for clean room applications.

自润滑，自调心，使用寿命长，洁净室应用的理想选择。

The pump is self-priming centrifugal pump, it has a compact structure, easy operation, smooth operation, easy maintenance, high efficiency, long life and have strong self-priming capability and so on.

该泵属自吸式离心泵，它具有结构紧凑、操作方便、运行平稳、维护容易、效率高、寿命长，并有较强的自吸能力等优点。

According to variety of materials and user requirements, high manganese steel can be used textile mesh, perforated metal sieve and rubber sieve, sieve plate with two kinds of single and double, can meet all kinds of sieve screening efficiency, long life , non-pore blocking requirements.

根据物料品种和用户要求，可采用高锰钢纺织筛网、冲孔筛板和橡胶筛板，筛板有单层和双层两种，各类筛板均能满足筛分效率高、寿命长、不堵孔的要求。

Life expectancy up to 8000 hours, the use of direct properly, can be more economical to replace the high-pressure mercury lamp, sodium lamp, such as ordinary light bulbs.

寿命长达8000小时，使用直接妥当、可更经济的取代高压汞灯、钠灯、普通灯泡等。

Highly resistant to oxidation, Can keep the initial spark gap for a long time and extend the service life.

极强的抗氧化性，能长时间保持初始火花间隙，延长了使用寿命。

In the next twenty years, life expectancy may well rise again, even more steeply.

在今后的20年里，平均寿命可能会再次增长，并且长得更快。

Designed for highly abrasive applications, the Type A Double Wall Sleeve Valve outlasts even stellated V-Ball valves and metal seated valves on abrasive slurries.

A型双层套管夹管阀专用于具有很高磨损性的流体介质应用场合，当应用在研磨泥浆上时，其使用寿命甚至比星状V形球阀和金属阀座阀门更长更耐用。

The stopcock which forms a complete use with fluid level fluid level display apparatus has the features such as fine air-tightness and long operating life etc.

与水位显示仪配套使用的旋塞阀门具有密封性能好，工作寿命长等优点。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。