词典释义：
号码多少
Introduced the operation principle and features of remote control reversing air system with air door applied in Jiyi nember one district in Pingji Coal Mine.
介绍了应用在平一矿己一采区的远控风门反风系统的动作原理及特点。
i need more power是什么意思_i need more power单词用法
make electricity是什么意思_make electricity单词用法
after a long time是什么意思_after a long time单词用法
positive control是什么意思_positive control单词用法
pickwick papers是什么意思_pickwick papers单词用法
immediate environment是什么意思_immediate environment单词用法
disinfection是什么意思_disinfection单词用法
nothing succeeds like success是什么意思_nothing succeeds like success单词用法
