“bowl scraper”的概念、定义、翻译、参考文献-科学参考

单词	bowl scraper
释义	bowl scraper [`bōl ´skrāp·ǝr] ^{MECHANICAL ENGINEERING} A towed steel bowl hung within a fabricated steel frame, running on four or two wheels; transports soil, in addition to spreading and leveling it.
随便看	sound navigation and ranging sound power sound-powered telephone sound pressure sound pressure level sound production soundproofing sound ranging sound-ray diagram sound reception sound recording sound reduction factor sound reflection coefficient sound-reinforcement system sound-reproducing system sound reproduction sound sensation sound signal sound spectrograph sound spectrum sound speed soundstripe sound system sound track sound transducer

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