A graduated button on the thread clamp and a finger guard on the presser foot to make operation easy.
为方便操作，配置了有刻度的夹线按钮，压脚上装了为安全专设的挡指架。
Details: EZ-LOC, simply return the SCBA bottle to the bracket and with as little as one finger, press down on the top clamp to quickly and easily lock it into place.
详细描述：使用EZ - LOC机械支架，只需简单将呼吸器气瓶放回支架，用一个手指压住顶部的夹钳，便可简单快速地固定气瓶。
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