基本解釋快門開角英漢例句雙語例句The shutter cover provided by the invention has large opening angle, long service life and low cost.本發(fā)明的百葉窗蓋開啟角度大、壽命長、成本低。ip.comshutter opening angle更多例句專業(yè)釋義攝影快門開口角快門開角