Accounting of the moisture content in the commercial coal is a base for net weight conversion of coal, which is stipulated in the contract generally.

计量水分是商品煤毛量折算净量的依据。一般，在合同中都有规定。

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Party B shall mark on each package the Contract No., package No., Measurement, Gross Weight, Net Weight, and marks such as "THIS SIDE UP", "HANDLE WITH CARE" and "KEEP AWAY FROM MOISTURE", etc.

乙方必须在每个运输包装物上标明合同编号、包装号码、体积、毛重、净重，以及“本面向上”、“小心轻放”、“切勿受潮”等装运标志。

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