Relation between oil cubage and liquid level of railway tanker has been deduced and the oil loading level model established.
推导铁路罐车装油容积与液位的关系，建立装油液位模型。
Relation between oil cubage and liquid level of railway tanker has been deduced and the oil loading level model established.
推导铁路罐车装油容积与液位的关系，建立装油液位模型。
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