Stack up blocks to stop the water from getting across.

堆栈块来阻止水从跨。

youdao

Therefore working in foul water , it is very reliable not to stop up the operating .

因此，在污水中工作不会堵塞运行极为可靠。

youdao

Therefore working in foul water , it is very reliable not to stop up the operating .

因此，在污水中工作不会堵塞运行极为可靠。

youdao