“Christmas tree”的概念、定义、翻译、参考文献-科学参考

单词	Christmas tree
释义	Christmas tree [`kris·mǝs ´trē] ^{PETROLEUM ENGINEERING} An assembly of valves, tees, crosses, and other fittings at the wellhead, used to control oil or gas production and to give access to the well tubing.
随便看	elliptic conical surface adjustment disorder adjustment of fire adjustment reaction adjustor neuron adjutage adjuvant ad lib adlittoral administrative map Administrative Terminal System admiralty brass admiralty coal Admiralty constant admittance admittance matrix admixture adnate adnexa adobe adobe brick adobe construction adobe flats adolescence adolescent coast

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。