超声波测波仪
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ultrasonic wave water meter 超声水表
ultrasonic wave level meter 超声波物位仪
ultrasonic wave height meter 超声波测量高度计
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The result of TEM showed after the treatment by ultrasonic wave and silicone coupling agent, nano-meter palygorskite powder could disperse uniformly in the complex material.
TEM表明：通过超声波分散和硅烷偶联剂处理，纳米坡缕石粉体在复合材料中分散均匀。
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