The cost of pouring petrol into a grumpy generator accounts for 25 percent of the price of a cement sack.
发电机的汽油成本占到水泥包装的25%。
The slurry yield is typically expressed in cubic feet of slurry per sack of cement.
水泥浆产率一般用每袋水泥的水泥浆立方英尺数表示。
The slurry yield is typically expressed in cubic feet of slurry per sack of cement.
水泥浆产率一般用每袋水泥的水泥浆立方英尺数表示。
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