基本解釋承軸臺(tái)詞組短語(yǔ)短語(yǔ)plumber block housing 立式座bearing plumber block 滾珠軸承軸臺(tái)ball -bearing plumber block 球軸承座plumber block更多詞組專業(yè)釋義交通運(yùn)輸工程承軸臺(tái)