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有人忘记带来把麦克风夹在支杆上的U型螺栓。
Somebody forgot to bring along the U-bolts to clamp the microphones to the pole.
《柯林斯英汉双解大词典》
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型螺栓-不锈钢材质，可以适用任何型号的导轨。
T bolt will work with any rails type. Made of stainless steel.
youdao
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型螺栓-不锈钢材质，可以适用任何型号的导轨。
T bolt will work with any rails type. Made of stainless steel.
youdao