词汇	tunnel arrangement
释义	tunnel arrangement 巷道布置
随便看	boron concentration boron concentration dial boron concentration measuring system boron concentration monitoring boron congeners boron constituent boron-containing alloy boron-containing concrete boron-containing gas boron-containing iron melt Boron-containing modifier boron containing phenolic resin boron-containing pig iron boron-containing polyferric silicate sulfate boroncontaining polymer boron containing polymer boron-containing polymer boron-containing shield boron-containing solid propellants boron contamination boron content boron control boron control material boron control system boron copper