“lower head”的概念、定义、翻译、参考文献-科学参考

单词	lower head
释义	lower head 下闸首底盖
随便看	test clip test cock test code test coil test complex test computer test condition test condition(s) test conductor test cone test connection test connector test console test constant test contact test controler test controller test control officer test cord test coupon test crew test criteria test cross test cubc test cubicle

科学参考收录了1248194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。