英语词汇“HHb”的音标、翻译、中文意思、用法、释义-英汉双解词典

词汇	HHb
释义	HHbabbr. 六角头螺钉（hex head bolt）
随便看	difficulty of learning diffraction spectrograph diffi-cult difficulty of ocular movement diffraction spacing diffraction spectrometer difficul different position different population diffraction spectroscope difficulty of sucking Diffracted Usnea diffraction-grating interferometer difficulty of urination different piece rate system diffractionspectrum diffraction spectroscopy diffracted wave difficulty parameter difficult act to follow difficult area difficilis different positions different poultryfarming diffraction spot radius