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※ 将QHB拧至锁紧状态: 顺时针方向旋至极限位置(可以 感觉到“哒”的一声)
,向上提起转动外套,再次顺时针旋 转转动外套直至压紧光纤头。
Tighten QHB to the locked state: rotate the QHB clockwise to the limit position with a
“click”, then lift the rotary knob up and rotate the knob clockwise again until it
presses down on the optical fiber head.
顺时针为锁紧方向
逆时针为松开
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