... fixed back beam 固定后梁 back scattered electron beam 背散射电子束 B/B Back Beam 背台波束 ...
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The utility model relates to a rear locked basket post. An extension flex part is arranged on an inclined beam and fixed with a back stay by double bolts.
后锁紧式篮球架，斜梁具有延长并向下折曲部分，延长折曲部分与后拉杆由双螺栓固定。
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