kumagawa 中文意思是什麼
kumagawa
解釋
球磨川-
Determination of bitumen - content in natural rock - asphalt powders and masitc asphalts with " kumagawa - asphalt " method
用熊本瀝青法測定天然巖瀝青粉和砂膠瀝青的瀝青含量 -
Heisei chikuho railway kumagawa railway
久磨川鐵道
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