basic rack tooth profilebasic tooth profile基本: basic; fundamental齒廓: flank profile; tooth profile標(biāo)準(zhǔn)基本齒條齒廓: cylindrical gears for general and heavy engineering-standard basic rack tooth profile圓柱蝸桿基本齒廓: basic tooth profile of cylindrical worm雙圓弧圓柱齒輪基本齒廓: double-circular-arc tooth profile of basic rack for cylindrical gears下載手機詞典可隨時隨地查詞查翻譯