短語詞組短語stroke e length 提升路程;筆觸長度stroke length detail 沖程長度;筆觸長度With Stroke Length 行程長available plunger stroke length 柱塞有效沖程standard stroke length 行程Stroke length adjustable 行程長度可調polished rod stroke length 光桿沖程elastic stroke length 彈性筆畫長度lifter stroke length 升降距離 返回 stroke length