Cycle water should be fresh and there is no sediment in the tube.

必须确保循环水必须是清洁的，而且管子中没有沉积物。

youdao

When control degree in the low benefit zone is less than 15%, there is almost no sediment reduction benefit.

减沙效益低值区的治理度小于15%时，基本没有减沙效益。

youdao

When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs.

当水流速度小于相应的起始运动时，将无泥沙运动。

youdao

Nevertheless, its important role has somehow been often forgotten and, as a consequence, there are as yet no examples of the fully-fledged integration of sediment management into river basin management.

UNESCO: OFFICE IN VENICE

"It is important to note that based on water, soil and sediment testing already conducted, there is no indication of any risk to the public health or public safety, " the FBI said.

CNN: Anthrax agents hunt lab equipment in pond