查询词典 fish hatchery

This spring, the tribe and state began capturing wild adult steelhead from a fish trap on the White River, a tributary of the Puyallup, and hauling them to a hatchery to rear more young.

今年春季，印第安部落和州府开始在Puyallup和的支流White River上，张网捕捉野生成年的虹鳟鱼，把它们移送到孵化箱内，产出更多的后代。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。