“bell and spigot reducer”的概念、定义、翻译、参考文献-科学参考

单词	bell and spigot reducer
释义	bell and spigot reducer 承插式大小头
随便看	submerged intake submerged isothermal current submerged jet submerged joint submerged lubrication submerged marine delta submerged mole submerged orifice submerged paddle aerator sub-merged pier submerged pier submerged pipe submerged pipeline submerged plant submerged plunger diecasting machine submerged plunger die-casting machine submerged pump submerged reef submerged reef type breakwater submerged repeater submerged roll submerged root submerged screw log submerged shoreline submerged soils

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。