While pressing the back cover lock release button, slide the back cover latch down and open the back cover.

按后盖锁定释放按钮，同时向下滑动后盖插锁，以打开后盖。 收藏。

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The rig tongs hinge pin, latch lock and springs must be inspected at regular intervals and changed out if excessive wear is encountered.

必须定期检查大钳的折页销子，扣合头和弹簧，如果出现磨损超标，就更换。

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Lock blade arm down with safety latch before installing handle.

安装手柄前请用安全插销锁下刀臂。

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Switch boxes and lock-and-latch boxes as well as nine different build-it-yourself musical instruments that are sure to inspire a whole houseful of racket, make up this fine tome.

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