“底土层”的概念、定义、翻译、参考文献-科学参考

单词	底土层
释义	底土层 Encyclopedia 农学土壤层次释 substratum底土层土壤中地表以下50～60厘米的土层。上接心土层，下部界面为基岩或地下水。
随便看	pumping station with axial-flow pumps pumping station with centrifugal pumps pumping station with mixed flow pumps pumping station with submersible pumps pumping station with tubular pumps pumping station with turbine pumps pumping station with well pumps pumping system pumping test pumping unit pumping unit counterbalance pumping unit dynamometer card pumping unit micro-control chart pumping unit soft start pumping unit suspension point load pumping wave pumpkin seed and husk pump loss pump noise pump oil pump operating point pump power pump pressure pump probe pump-probe

科学参考收录了854744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。