“煤炭贸易差额”的概念、定义、翻译、参考文献-科学参考

单词	煤炭贸易差额
释义	煤炭贸易差额 Encyclopedia 理学能源环境统计释 trade balance of coal煤炭贸易差额一个国家原煤及煤炭加工产品的进出口值之差。
随便看	shear deformation shear deformation characteristics of rock mass shear difference method shear dilation effect shear dilution of drilling fluid shear distortion shear-dominated encounter shearer-loader shearer's pyrrosia leaf shear factor shear failure of pier and abutment shear field shear-flocculation flotation shear flow shear flow field induced self-assembly shear folding shear fracture shear-free sheargraph shear-induced structure shearing shearing effect shearing field shearing interferometer shearing interferometer wavefront sensor

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