cross-span
美
英 
英汉解释
例句
earthed upper cross-span wire earth earthing earthing all metal parts earthing bus bar earthing conductor earthing device earthing diagram
接地的上定位索大地,接地接地金属部件均接地接地母线接地线接地装置接地图
Suggestions for Improvement of the Cross-Span Beam for the KZW-4 Series Empty and Loaded Automatic Braking Equipment
对KZW-4系列空重车自动调整装置横跨梁的改进建议