FC return circuit and its characteristics was introduced in this arti - cle.本文介绍了FC回路及其特点.I think FC Seoul will be a much tougher team.我想FC首尔是一支很顽强的队伍.Fiber adapter includes ST, SC, FC, LC, a variety single, multi - adap...
本文介绍了钏路煤层及相关割理系统的特性,通过试验研究了围压变化和煤层割理对气体渗透性的影响.The influence of confining pressure change and coal cleat on gas permeability is studied by experiments....