workmanship
(1)技巧，技艺
(2)工作质量
(3)工艺器

• Beryllium lanthanate crystal
• Beryllium oxide
• Besinc function
• Bessel function
• Bessel functions
• Bessel point
• best focus
• beta
• beta-emitter
• beta-emitting isotope
• Beta-fluorography
• beta function
• beta gauge
• Beta radiation
• beta ray
• Beta-ray spectrometer
• Beta site
• betatron
• between lens shutter
• bevel
• bevel face width
• bevel gauge
• bevel gear
• bevel gear tester
• bevelling