rolled gold 中文意思是什麼
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Aerospace series - gold base alloy au - b4000 - filler metal for brazing - rolled foil
航空航天系列.金基合金au - b4000 .硬釬焊用填充金屬.軋制箔 -
Aerospace series - gold base alloy au - b40001 - filler metal for brazing - rolled foil
航空航天系列.金基合金au - b40001 .釬焊用填充金屬.軋制箔 -
Aerospace series - gold base alloy au - b40001 - filler metal for brazing, rolled foil ; german version en 3961 : 2001
航空航天系列.金基合金au - b40001 .銅焊填充金屬:軋制 -
Warmhearted water deposited eruption of sea floor pyrite rolled cakes have been discovered, in the layers of 1a, 1b, 1c and so on. some warmhearted water deposited feature mineral could been seen under the microscope, such as tourmaline ect. warmhearted water deposited eruption of early phase pyrite ' s rolled cakes is one of gold mine bed mine source
在1a 、 1b 、 1c等地層中，可發現海底熱水沉積所噴發的黃鐵礦團塊，在顯微鏡下可以看到一些熱水沉積的特徵礦物，如電氣石等，早期熱水沉積所噴發的黃鐵礦團塊為金礦床礦源之一。
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