英语词汇permafrost layer的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	permafrost layer
释义	permafrost layer 英?[?p?:m?fr?st ?lei?] 美?[?p?m??fr?st ?le?] 释义恒冻层; 恒冰层行业词典土壤学永冻层次???土表至200cm范围内土温常年≤0℃的层次。???
随便看	rotary vane airlock rotary vane arrangement rotary-vane attenuatior rotary vane attenuator rotary-vane attenuator rotary vane compressor rotary-vane compressor rotaryvane compressor rotary vane displacement gearing, hydrostatic rotary vane feeder rotaryvane feeder rotary vane mechanical pump rotary vane meter rotary-vane meter rotary vane mixing pump rotary vane motor rotary-vane principle level indication rotary vane pump rotary vane pump rotary-piston pump rotary vane sealing strip rotary vane steering engine rotary vane steering gear rotary vane thrower rotary vane type oil cylinder rotary vane type positive displacement flowmeter

英汉双解词典包含4367426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。

permafrost layer