基本解释[機械工程]沖動輪葉沖擊式葉片沖動式葉片英汉例句雙語例句Using of impulse section blade ensured its flow capacity with the axial thrust almost unchanged.在保持軸曏推力幾乎不變的情況下，選用沖動式葉片保証了葉片有較好的通流能力。impulse blade更多例句词组短语短語blade -impulse frequency 槳葉沖擊頻率impulse blade更多词组专业释义機械工程沖動輪葉沖擊式葉片沖動式葉片