butt set

基本解釋

The paper introduced a PLC network (MELSECNET/MINI)control system which is used for controlling flash butt welding machine set.
采用可編程控制器（PLC）的聯(lián)網(wǎng)功能，構(gòu)成一個MELSECNET／MINI網(wǎng)絡(luò)，用于控制閃光對焊機組。
It was a familiar tragedy: opportunists rushed in to siphon fuel off a leaking oil pipeline and then a cigarette butt or match set off the explosion.
事發(fā)經(jīng)過似曾相識：當時一根輸油管道發(fā)生了滲漏，想撿便宜的人們沖過去撈取，而那個時候有人丟棄了煙頭或者火柴從而引發(fā)了爆炸。
Butt the Southern States wanted to set up a country of their own, where they would be free to keep black slaves.
但是南方各州卻想建立他們自己的國家，以便在那里他們可以隨心所欲地繼續(xù)把黑人當作奴隸。。