trough core

英 美
  • 向斜中心

trough core的相关资料：

临近单词

trough trough-belt conveyer trough shaped ear spout trough shaped collector Troughton's pouched bat troughed belt converter trough and paddle mixer troughed-belt conveyor troughed roller conveyor troughed aluminium sheet trough-type distributor
目录 查词历史