设计的变水头装置和透明接水容器，保证了粉土抗渗强度测定的可靠性和准确性。
The changing water level device and the transparent vessel insure the accuracy and dependability of impermeability intensity measuring.
用电容器级钽粉压成适于制作固体电解电容器阳极的坯块， 压缩测定其生坯强度。
The crush strength of pressed pellets of capacitor grade tantalum powder which is used for making tantalum solid electrolytic capacitor was tested.
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