bolt cutting lathe 螺栓车床 ; 螺栓切线机
bolt-on cutting edge 螺栓连接切削刃
bolt thread cutting machine 螺栓螺纹加工机
In reality, the image is a bit of an illusion: the lightning was far from the Observatory and the laser only appears to be cutting through the bolt.
在现实中，这个图像相当于一种错觉：闪电远离着天文台，激光似乎切断了这个闪电。
Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.
攻丝是在一个孔中车出螺纹，以便装上有帽螺钉或螺栓。
The obligating space on the hole makes the exhaust manifold having enough space when deforming and preventing cutting out the bolt even the exhaust manifold is deformed.
安装孔的预留空间使得在歧管变形时留有足够的变形空间，即使排气歧管变形也不会剪断通过安装孔的螺栓。
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