“sag bolt”的概念、定义、翻译、参考文献-科学参考

单词	sag bolt
释义	sag bolt 防垂螺栓顶板下沉测量锚杆
随便看	screen wiper screen wire cloth screw screw action screw adjusting double caliper screw adjusting inside caliper screw adjusting outside caliper screw adjustment screw and double nut screw-and-nut mechanism screw-and-nut steering-gear screw-and-nut steering gear screw arbor screw auger screw axes screw axis screw base screw base fuse screw bell screw belt screw belt fastener screw blade screw blank screw bolt screw bolt and nut

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