What standard, flush headtype bolt offers the largest diameter head?
是哪个标准的螺栓其冲出的头型极大于头部直径？
2
Drums with larger openings are considered to be of the removable headtype.
开口更大的钢桶将视为活动盖钢桶。
3
The spindle structure of milling headtype machine tool is made up of multi-elements and complex bearing, thus the dynamic characteristics will be influenced.