The most popular type of $ LR is the one that combines auto exposure full manual override.

单镜头反射式相机中最流行的,是那种既有自动曝光又有手动调节的型号.

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The most popular type of SLR is the one that combines auto exposure full manual override.

单镜头反射式相机中最流行的,是那种既有自动曝光双有手动调节的型号.

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The 300 Series actuators offer compactness and a rugged design with manual override capability.

300系列电动执行机构小巧玲珑、结构紧凑,具有手动过载操作功能.

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