bolster
【机】 承梁弹簧, 枕头弹, 箕椭圆弹簧
bolster spring
暂无补充释义。
相关词条
bolster
bolster
bolster【木】;bunk【木】;corbel-piece【木】
bolster
Bolster
rail vehicle bolster
bolster construction
bolster spring
暂无补充释义。
bolster
bolster
bolster
bolster【木】;bunk【木】;corbel-piece【木】
bolster
Bolster
rail vehicle bolster
bolster construction