number of thread
... 左旋螺纹left-hand thread 头数number of thread 导程lead ...
Head
生产头数(HEAD):4纱管尺寸容量..
capita
头数(capita), 此释义来源于网络辞典。
Number of Head ; Heposters ; Hepromotions
number of threads ; 机 number of threads of worm
ends