Compared between low and high aluminum level production, it is proved that high aluminum level was very important to improve the electric current efficiency.
通过对低铝水平生产和高铝水平生产的长期比较，证明了高铝水平对电流效率的提高具有非常重要的作用。
Dry running linear diaphragm pumps. Two means of actuation: linear and vibrating armature. Very high life time, low noise level and high efficiency. Used as compressors and vacuum pumps.
空运行线性隔膜泵。两种气动方法：线性和振动电枢。具有很高的使用寿命，低的噪音和高性能。可用作压缩机和真空泵。
The results prove that the water jet cutter is characterized by its high efficiency, low specific power consumption and fine automation level. Therefore it is a new type of cold cutting machine.
结果表明：该水刀具有切割效率高、比能耗低、自动化程度好等特点，是一种新型的冷切割设备。
These AR series pumps have been developed on the same design concept as A series pumps which are renowned for high efficiency and low noise level.
这些AR系列泵已制定了关于为A系列是高效率 ，低噪音水平 ，同样著名的泵的设计理念。
Its advantages are high efficiency and safety, low cost and high mechanization level.
它具有效率高、安全卫生、机械化程度高、成本低的优点。
The semi-automatic rotary drum grinder has the advantages of less labor and time, low labor intensity, high operation efficiency and high automation level.
具有省时省力、劳动强 度低、作业效率高、自动化程度高的优点。
The semi-automatic rotary drum grinder has the advantages of less labor and time, low labor intensity, high operation efficiency and high automation level.
具有省时省力、劳动强 度低、作业效率高、自动化程度高的优点。
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