词语double concave glass
解释双凹透镜
词性名词
double concave glass〔名词〕双凹透镜详细»
双凹透镜biconcave lens;double concave glass;double concave lens详细»
双凹透镜double concave glass详细»
双凹透镜biconcave lens详细»
双凹透镜biconcave lens;concavo-concave lens;double concave lens详细»