词汇	bravais' symbol
释义	bravais' symbol un.布拉维符号；🌏勃拉韦符号
随便看	underground powerhouses underground power plant underground power room underground powerstation underground power station underground power supply underground power supply and distribution underground power supply system underground precise traverse Underground prefabricate diaphragm wall underground press underground presses underground pressure underground pressure behavior underground pressure characteristics underground pressure disaster underground pressure eruption underground pressure observation underground pressure observing underground productivity underground project Underground projects underground propagation underground prospecting survey underground prostitute