groundmassn.合金的基体
groundn.地面;地方;根据;主题;立场;水平;背景v.使停飞;困在家中;放在地上;使 ... 搁浅;打基础动词grind的过去式和过去分词形式
ground motion attenuation relation地震动衰减关系
Ground protection and wiring skill接地分类及布线工艺
ground wire-selecting protection接地选线保护
Ground Water Pollution and Control地表水污染及其控制
Ground Force Readiness Enhancement地面部队提高戒备
ground temperature characteristics地温特性
Ground Proximity Warning Indicator地面防撞警报指示器
ground-wave digital broadcasting地面波数字广播