山东下游试作的固滩工程,对固定河势、险工已起到相当作用,希大家进一步研究分析,并将改进与推广的意见,及时反映给我们。 The pilot project of the solid beach in the lower reaches of Shandong Province has played a significant role in fixing the river regime and risk workers. We hope that all of you will further study and analyze these opinions and will promptly report to us the opinions on improvement and promotion.