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大家在查：小鼠沿江羔 purge 办公桌前偏方 Tasmania 亚努斯科奇逃过 Saddam

沟畦

沟畦

沟畦

1

As the sombre wheels of the six carts go round , they seem to plough up a long crooked furrow among the populace in the streets .

这六辆车的阴沉的轮子旋转着，似乎在街上的人群中犁出了一条弯弯曲曲的沟畦。

2

The main problems of the bubbler irrigation applied in field crops are small water discharge , the big transection area of furrow and border.

涌泉灌溉用于大田作物主要问题是流量小，沟、畦横断面大，水流在田间很难向前推进。

3

Reasonably set furrow and strip specifications and field natural slope and shrunk field.

合理确定沟畦规格和地面自然坡降，缩小地块；

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