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1.The engineer used a threaded type track bolt to fix the wall.
工程师用一个螺纹型轨道螺栓来固定墙壁。
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2. The technician was tasked with removing the nuts and chuck from the machine.
技术员被指派去拆卸机器上的螺母和夹具。
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3.The construction worker had to use a special tool to remove the threaded type track bolts.
建筑工人不得不使用特殊的工具来拆卸螺纹型轨道螺栓。