“hand-and-foot counter”的概念、定义、翻译、参考文献-科学参考

单词	hand-and-foot counter
释义	hand-and-foot counter [¦hand ǝn `fu̇t ´kau̇nt·ǝr] See <<hand-and-foot monitor>>
随便看	ballast lamp ballast leg ballast line ballast movement ballast passage ballast pump ballast reactor ballast resistor ballast tank ballast tube ball bearing ball-bearing hinge ball-bearing pulverizer ball bonding ball breaker ball burnishing ball bushing ball catch ball check valve ball clay ball coal ball float ball-float liquid-level meter ball grinder ballhead

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。