Which river is it?

Tools for digging the ground (Ji m 4 ng).

Plowing, sowing with polonium, is also called plowing, plowing. As a small plow, also known as "planting gold", it belongs to the parts of agricultural tools. Used with different farm tools, it is called "planting gold" and "planting gold". In the development of agriculture in China, it has important significance and irreplaceable value.