... penetrator穿入者；压模 penetrometer针入度仪 penetron伽马射线穿透仪 ...
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短语
数字式针入度仪
Microprocess Based Digital Penetrometer
沥青针入度仪
bitumen needle forcemeter
沥青针入度试验仪
asphalt penetrometer
石油沥青针入度测定仪
penetrometer of petroleum asphalt
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