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

单词	profitable thickness of coal seam
释义	profitable thickness of coal seam Encyclopedia 理学煤炭地质勘查释 profitable thickness of coal seam煤层有益厚度煤层顶底板之间所有煤分层厚度的总和。
随便看	aircraft acceleration test aircraft accident aircraft accident and incident investigation aircraft acoustic noise test aircraft actuation system aircraft aeroacoustics flight test aircraft aerodynamic characteristics aircraft aerodynamic characteristics numerical simulation aircraft aerodynamic derivatives aircraft aerodynamic forces aircraft aerodynamic load aircraft aerodynamic moments aircraft aerodynamics aircraft aerodynamics test aircraft aeroelastic effect tests in wind tunnel aircraft aeroelastics test aircraft agility aircraft air brake aircraft airfoil test in wind tunnel aircraft air intake tests in wind tunnel aircraft and stores compatibility aircraft angle of attack aircraft anti/di-ice system test in icing wind tunnel Aircraft Approaching & Landing System aircraft armament system calibration test

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