The warping suggested that the Pacific plate was stuck rather than sliding smoothly beneath Japan, straining the crust.
这种扭曲表明太平洋板块并不是在平滑地向日本所在地壳下滑动，而是被卡住了，从而挤压地壳。
Sliding bearing instead of the conventional rolling bearing, making pump working more smoothly with very little vibration and noise.
用滑动轴承替代常规电机滚动轴承，使泵具有运行特别平稳，振动噪音极低。
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