“pine tar”的概念、定义、翻译、参考文献-科学参考

单词	pine tar
释义	pine tar [`pīn ´tär] ^MATERIALS A viscous black mass obtained as a by-product in the distillation of pine wood; used for roofing.
随便看	aircraft dispersal area aircraft early-warning station aircraft electrification aircraft engine aircraft fuel aircraft gun aircraft icing aircraft impactor aircraft instrumentation aircraft instrument panel aircraft low-approach system aircraft machine-gun turret aircraft noise aircraft propeller aircraft propulsion aircraft pylon aircraft report aircraft rocket aircraft testing aircraft thermometry aircraft vectoring aircraft weather reconnaissance air crossing air-cure air current

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