slack water

The hybrid sturgeon in cement pool had the habit of hiding during the day and coming out at night, while that in deep water cage stayed at the base in riptide and swam in slack tide.

水泥池养殖的杂交鲟具有昼伏夜出习性，深水网箱养殖的杂交鲟流急时在网箱底部活动、流缓时到水层中游动；

Each time the current changes directions , a period of no current , known as slack water, intervenes.

每当潮流改变方向时, 中间都有一段叫做平潮的无潮流阶段. .

Suddenly they were in a slack and the water was motionless.

他们突然静止不动,水面也静止了.

Slack water usually happens near high tide and low tide.

在高潮和低潮之间通常有水的滞留.

The vacuum slack flow, resulted from surplus energy in large downhill section of liquid pipelines, will cause water hammer, oscillation, cavitation, vapor liquid mixture, and increase the intermixture of batching transportation.

大落差线路存在剩余能量是产生不满流的根本原因，它可能引发水击、振动、气蚀、产生气液混合物以及增大多种液体顺序输送时的混输量等一系列问题。