?双层沉降槽
... two-step shedding 两步减荷，两步卸载的 two-story sedimentation tank 双层沉降槽 two-stroke cycle 双冲程循环 ...
?双层沉淀池
... two-story bent ==> 两层排架,双层排架 two-story sedimentation tank ==> 双层沉淀池 two-story septic tank ==> 双层化粪池 ...
双层平流沉淀池
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。