etr是什么意思,etr怎么读 语音:
  
etr 基本解释
[医][=effective thyroxin(e)ratio]有效甲状腺素比率
中文词源
etr 用法和例句提示:点击例句中的单词,就可以看到词义解释
提示:点击例句中的单词,就可以看到词义解释
Italy 's etr 200 ( orelettrotreno 200 ) was an early electricity-driven high-speed train introduced in 1936 whose maximum speed topped out at 160 kilometers per hour .
意大利etr200型高速列车(或称elettrotreno200)是于1936年推出的早期电力驱动的高速列车,其最高行驶速度超过了160公里/小时。
Although the production of the etr 200 was halted by world war ii and many were damaged by allied bombings , the etr 200 and its successors remained in service until the early 1980s .
虽然etr200的制造被第二次世界大战中断,并且许多在盟军的轰炸中毁于一旦,但etr200及其后继者一直服役到上世纪80年代初。