buttress jackscrew中文,buttress jackscrew的意思,buttress jackscrew翻译及用法 2026-06-20 18:21 浏览次数 22 buttress jackscrew英[ˈbʌtrɪs ˈdʒækˌskru:]美[ˈbʌtrɪs ˈdʒækˌskru]锯齿型起重螺桿