English translation for "测时星"

clock star

Similar Words：

"测时三角规" English translation, "测时术" English translation, "测时水位" English translation, "测时天文台" English translation, "测时误差" English translation, "测时仪" English translation, "测时仪器" English translation, "测蚀计" English translation, "测式用选择器" English translation, "测视" English translation