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Shutter speeds are adjustable between 60 and 1/4000 seconds.
拍摄速度则可在60至1/4000秒间可调。
youdao
Fixed or adjustable gas orifice, primary air shutter and mounting boss. Heavy cast iron construction. Simple to install and to maintain.
固定的或可调的燃气孔板，主空气调节挡板，重铸铁结构，容易安装和维护都是该产品的特点。
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