Includes Low Head, Button Head, and Flat Head Screws, as well as special Socket Cap Screws such as Vented, Drilled Head, Self-Locking, and more.

包括低压头，半圆头及平头螺丝以及特殊内六角圆柱头螺钉如排空，钻孔头，自锁，等等。

youdao

Make the pipes with button head align with the joints of external thread, rotate the nut and make it align to the center, knock the nut and screw up the nut.

将焊有球头的管子与外螺纹接头中心相对，旋转螺母使其自动对中心后，敲击螺母使螺母旋紧。

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It's like telling someone, "Hey, if you press this button, you'll get a treat, but also a bonk on the head."

就好像告诉某人，“喂，如果你按下这个按钮，你会得到响应，同时伴有迎头一击。”

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If apes see a man pressing a button with his head because his hands are occupied holding a blanket, they will press the button with their hands.

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