“floor of coal seam”的概念、定义、翻译、参考文献-科学参考

单词	floor of coal seam
释义	floor of coal seam Encyclopedia 理学煤炭地质勘查释 floor of coal seam煤层底板在正常顺序的含煤岩系剖面中，直接伏于煤层下面的岩石。
随便看	field optics field order field parameter reconstruction technology field particle field pattern field pharmaceutical water equipment field photophoresis field piece field place field planting field point field polynomial field potential field production and outside-broadcast system field programmable gate array field programmable gate array, FPGA field programmable logic array field pulsar field quantization field quantum field radiation balance field rapid clinical laboratory equipment field ray field reconnaissance field reflectivity

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