All butt, grooved t, and corner joints shall be complete joint penetration weld joints.

所有对接、T型槽和弯管接头都要完全侵入连接到焊接接头上。

youdao

He often treated his friends badly; butt t hey remained loyal tot he last.

他经常不善待朋友，但朋友们却始终对他忠心耿耿。

youdao

I bet I made an impression, though, didn't I? - You always do.- Butt-crack Santa?

VOA: standard.other

They add to revenue per square foot, but they also obstruct the aisles, triggering the dreaded "butt-brush" phenomenon: Female shoppers don't like to be touched by passersby.

FORBES: Merchant Princes

"I can honestly say I didn't see it but Joe Simpson's nose looks like there was a head-butt, " he said.

BBC: 'Head-butt' compounds Quins woes

It wasn't too long ago that the first jogger's girth made him the butt of late-night TV jokes, like when comedian Arsenio Hall marked the anniversary of the Big Mac.

CNN: A Trimmer President Clinton