quartzous含石英的
quartzn.石英
quartz spring gravimeter石英弹簧重力仪
quartz-crystal control石英晶体控制
quartz wedge compensator石英光楔补偿器
quartz digital car clock石英汽车钟
quartz fiber optic cable石英纤维光缆
quartz-fibre manometer石英丝压力计
quartz sand filter media石英砂滤料
quartz diorite porphyrite锆石
quartz temperature sensor石英温度传感器
quartz testing instrument石英试验仪表