Butt contact and angular contact welding seam corrosion detection sensors were designed respectively.

分别设计了适合对接和角接焊缝腐蚀检测的两种传感器。

youdao

Butt we, who live indoors, have lost contact with the moon.

但生活在室内的我们，已经失去了和月亮的联系。

youdao

End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.

端面有间隙、无凸台对接是指在上、下套管之间留有一定间隙，上、下主弦杆端面同时接触对接。

youdao

First I go over the physical posture you should have because when you're sitting like we usually sit on the round cushion or the floor, re free of contact with people usually both your knees and your butt are for the kneeling.

首先理顺应有的身体姿势,因为打坐时,像我们常会坐在圆坐垫,或地板上，你要确定自己身旁不要有人，you，make，sure，you‘,通常两膝和臀部都要注意,都要碰到地面。

普林斯顿公开课 - 人性课程节选

For someone who must remain in constant contact with Mets players and executives, the butt dialing has complicated things a bit.

WSJ: The King of the Accidental Phone Call