“gravity corer”的概念、定义、翻译、参考文献-科学参考

单词	gravity corer
释义	gravity corer [`grav·ǝd·ē ´kȯr·ǝr] ^ENGINEERING Any type of corer that achieves bottom penetration solely as a result of gravitational force acting upon its mass.
随便看	slow fire slow igniter cord slowing-down slowing-down area slowing-down density slowing-down kernel slowing of clocks slow ion slow match slow memory slow-motion video disk recorder slow neutron slow-neutron spectroscopy slow nova slow-operate relay slow ray slow reactor slow-release relay slow sand filter slow-scan television slow-spiral drill slow storage slow time scale slow-vibration direction slow virus

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