短語(yǔ)詞組短語(yǔ)basic pitch diameter 基本中徑basic screw -pitch [機(jī)]基本螺距Basic Pitch Time 時(shí)間Basic pitch diameter of screw 螺紋的公稱中徑pitch bonded basic brick 瀝青結(jié)合堿性磚 返回 basic pitch