hinged bottom hopper

• 带铰接底的排种筒,带铰接底的箱,活底箱

hinged bottom hopper的用法和样例：

例句

1. I'll contact the foreman to tell the stevedores to stow the heavy machinery cases closely and note the even distribution of the weight on the bottom cases.
   我会通知装卸领班让工人将这些重机器箱装紧，并注意重量要均匀分布在底箱上。