It is known from the ex penment and analysis that the block coal methane adsorp non process is also a permeation - diffusion process.是什么意思_It is known from the ex penment and analysis that the block coal methane adsorp non process is also a permeation - diffusion process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句