buttress jackscrew中文,buttress jackscrew的意思,buttress jackscrew翻译及用法 2026-10-17 00:42 浏览次数 27 buttress jackscrew英[ˈbʌtrɪs ˈdʒækˌskru:]美[ˈbʌtrɪs ˈdʒækˌskru]锯齿型起重螺桿