单词	导引束
释义	导引束guide beam
随便看	chemical--equivalent chemical equivalent-- chemical equivalent weight chemical equivalent; chemical equivalent weight chemical equivalent weight chemical erode test chemical erosion chemical error chemical etching chemical-etch-proof motor chemical evolution chemical exchange chemical--exchange chemical exchange method chemical exchange process chemical exchange reaction chemical exchanges chemical excitation chemical expansion chemical experiment chemical expert system chemical explosive of excavation chemical factor chemical factor complication chemical fade chemical fastness