buttress jackscrew中文,buttress jackscrew的意思,buttress jackscrew翻译及用法 2025-11-23 10:54 浏览次数 9 buttress jackscrew英[ˈbʌtrɪs ˈdʒækˌskru:]美[ˈbʌtrɪs ˈdʒækˌskru]锯齿型起重螺桿