单词butt-end
na.: 枪托；残部；大头
网络: 树干基端；根端；左手在上握住杆尾
〔体〕用球棍上端戳对手
The blows from the butt end of the gun made the house tremble, but did not shake the door.
枪托的冲撞把那房子震得一片响，但是那扇门纹丝不动。
the handle of a handgun or the butt end of a rifle or shotgun or part of the support of a machine gun or artillery gun.
手枪的把儿或步枪或猎枪的平头端或机枪或火炮的支撑部分。
"There! " said Le Cabuc, dropping the butt end of his gun to the pavement.
“活该！”勒·卡布克说，重新把他的枪托放在地上。
Too late report in wireless, that affirmation is sudden affairs, but how leave to break a butt end again?
无线电里来不及报告，那肯定是突发事件，但怎么又会留下个断枪托？
After extinguish the last butt-end, we light another while I find the canthus full of tears.
揿灭了烟蒂，又点上一支，但是我发现了自己的眼角，那一抹潮湿的晶莹。
The copper tuyere of blast furnace is composed of casting body and rolling butt end which are joined by TIG hand welding process.
高炉紫铜风口是由铸造本体和轧制端头两个部分采用TIG手工焊接而成。
Please explain how many mm. is the requirement of the coupling butt end space?
请您说明一下，联轴节端面间隙要求是多少？