Ling off ammonium bicarbonate , yean , chemical raw materials

灵产碳酸氢铵、液氨、化工原料。

Ling off ammonium bicarbonate, Yean , chemical raw materials.

灵产碳酸氢铵、 液氨、化工原料。

Ling off ammonium bicarbonate, Yean, chemical raw materials.

灵产碳酸氢铵 、 液氨 、 化工原料.

It's a busy season when the goats begin to yean.

当山羊开始生小羊时，这是一个忙碌的季节。

The farmer expects the goat to yean in the spring.

农夫预计山羊会在春天生小羊。

The shepherd carefully monitors the sheep as they yean.

牧羊人仔细观察绵羊生小羊的过程。

The vet was called to assist when the ewe started to yean.

当母羊开始生小羊时，兽医被叫来帮忙。

Watching the goats yean is a fascinating experience for the children.

对孩子们来说，观看山羊生小羊是一次迷人的体验。

Manufacturing sales: Yean, ammonium bicarbonate.

制造销售: 液氨、碳酸氢铵.

Manufacturing sales: yean, ammonium bicarbonate.

制造销售：液氨、碳酸氢铵。