“pine tar pitch”的概念、定义、翻译、参考文献-科学参考

单词	pine tar pitch
释义	pine tar pitch [`pīn ´tär ´pich] ^MATERIALS Viscous residue resulting from distillation of volatile oils from pine tar.
随便看	slot weld slough slough ice sloughing slow-acting relay slow-blow fuse slow-curing liquid asphaltic material slow death slowed-down video 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

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