centerfrog

网络释义

1.	K形岔心 http://www.pt... ... "K式连结扣件"," K type fastening" "K形岔心"," K frog;Center frog" "K型三动阀"," K type triple valve" ... www.guandang.com

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英汉双解词典包含2704715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。