Construction machinery, cement, plate volume price Qisheng, led the entire a shares.
工程机械讨、水泥板块量价齐升，领涨了整个A股。
Controlling the volume velocity of vibration plate has previously been shown to be a good strategy to reduce its overall sound radiation and vibration energy.
控制振动板结构的体积速度是降低结构总声功率和振动能量的一种有效策略。
Variable volume piston pump. Swash plate design allows for high efficiency and low noise.
该产品为可变容量柱塞泵。斜板的设计，高效率，低噪音。
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