活动头的英文

• drophead
• movable head

• 活动:    move about; exercise
• 头:    5点就得动身 have to start before ...
• 钢影-活动头盔:    steel shade-armet
• 活动头磁盘:    movable head disk; moving head disk
• 活动头盔:    armet

例句与用法

1. Ustable head t - square
   活动头丁字尺
2. Fibreboard drums - removable head open head drums with closing rings with a nominal capacity of 15 l to 250 l ; german version en 12710 : 1999
   纤维纸板筒.标称容量15升- 250升带锁紧圈的活动头