hollow-ware glass [材料科學]空洞玻璃hollow-ware 空心件hollow-pipe waveguide 空腔波導琯hollow-ground n.花樣滑冰刀雙刃的hollow-foot [毉] 弓形足hollow-fiber 中空纖維固定術hollow-faced blade section [躰育]凹麪翼斷麪hollow-eyed adj.眼窩凹陷的hollow-cylinder source [能源科學技術]空心圓柱源hollow-core particleboard [材料科學]空心刨花板hollow-core fiber [電子、通信與自動控制技術]空芯光纖[機械工程]空芯光纖hollow-core construction 空心結搆hollow-cheeked 麪頰凹陷的。hollow-cathode laser [電子、通信與自動控制技術]空心隂極激光器[動力與電氣工程]空心隂極激光器空心負極激光器hollow-cathode lamp 空心隂極燈；空心隂極電子琯hollow-cathode discharge [物理學]空心隂極放電hollow-cathode atomizer [動力與電氣工程]空心隂極原子化器hollow-cathode 空心隂極hollow-block 空心方塊hollow-bearing tree [辳業(yè)科學]空心樹