As the aircraft comes closer the Y angle increases more rapidly and just as the aircraft reaches an Y of 90 degrees (exactly overhead), it makes a sharp turn due south.
随着飞行器的临近，y轴角增长的越来越快且当y向的角度达到90度时（即将超越），突然它急转弯朝南飞去。
The babbitt adjustable Hammer-Blow Sprocket Rim is for use with hard to operate gate, globe and Angle valves in overhead locations.
对于高度超过头部，操作困难的闸阀、截止阀和角阀，可以采用巴氏可调节锤击链轮。
Rim is for use with hard to operate gate, globe and Angle valves in overhead locations.
对于高度超过头部，操作困难的闸阀、截止阀和角阀，可以采用巴氏可调节锤击链轮。
Rim is for use with hard to operate gate, globe and Angle valves in overhead locations.
对于高度超过头部，操作困难的闸阀、截止阀和角阀，可以采用巴氏可调节锤击链轮。
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