Loosen the screw holding the junction box cover to the top of the water heater. Set the cover aside.

卸下热水器顶部接线盒盖上的固定螺丝。把盖子放在旁边。

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The sustainability of perforating casing with screw holding is analysed by using the finite element software ANSYS.

文章利用ANSYS有限元分析软件，对螺旋布孔射孔套管的承载能力进行了分析。

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LITTLE Red RIDING HOOD was walking through the woods when suddenly the Big Bad Wolf jumped out from behind a tree and, holding a sword to her throat, said, "Red, I'm going to screw your brains out!"

小红帽穿过森林时，一个大灰狼突然从一棵树后面跳出来，拿把剑抵在小红帽的喉咙上，说道，“小红帽，我要把你的脑袋拧下来！”

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The basic design is the same -- it's a chunky slab of thick, ribbed, soft-touch plastic and rubber, with a sizable chrome screw holding the backplate in place.

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He twists one into a plastic block, and moments later a graph on the laptop screen shows the screw's tension holding steady, even when jostled.

FORBES: Magazine Article