derrick head cargo block中文,derrick head cargo block的意思,derrick head cargo block翻译及用法 2026-05-06 01:19 浏览次数 17 derrick head cargo block英[ˈderɪk hed ˈkɑ:ɡəu blɔk]美[ˈdɛrɪk hɛd ˈkɑrɡo blɑk]吊桿头起货滑车