Loosen the setscrew that secures the ring with the time meridian indicator.
松开固定时间子午线指示环的定位螺丝。
Set "0 hour" on the R. A. and hour graduation ring to the R. A. indicator after loosening the graduation-ring setscrew.
松开赤经兼小时刻度环的定位螺丝后把赤经兼小时刻度环“0小时”位置对准赤经指示箭头。
Equipped with four different electromotive spanner, can be in the sleeve size 3 seconds easily remove or tighten various kinds of car wheels setscrew 1.
电动扳手配备4种不同尺寸的套筒，可以在3秒内轻松拆卸或者紧固各种汽车的车轮固定螺丝1个。
Equipped with four different electromotive spanner, can be in the sleeve size 3 seconds easily remove or tighten various kinds of car wheels setscrew 1.
电动扳手配备4种不同尺寸的套筒，可以在3秒内轻松拆卸或者紧固各种汽车的车轮固定螺丝1个。
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