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light meter 曝光表,照度計。

light opera

Traveling cranes , drying furnaces , transformer wiring facilities , transformer automatic inspection machines , pressure meters , insulation resistance meters , ac dc stabilized power sources , memory high coder brightness meters , light meters , film thickness meters , noise meters , hand thermometers 起重機,干燥爐,變壓器卷線設備,變壓器自動檢查機,耐壓計,絕緣電阻計,交流直流穩定性電源,內存快速編碼器亮度計,光度計,膜厚計,噪音計,手指尖溫度計

Transistor flash - light meter 晶體管閃光儀

It ' s got the built - in light meter 這個還有一個內置閃光燈呢

Camera light meters can be used if their limitations are understood . 如果了解照相機測光表的局限性,就可以使用。