为此，本文针对散装水泥的主要运载工具气动下灰车存在的问题进行如下的研究工作。
To this end, this paper doing the following research on the point of problems exists in the Bulk-cement Delivery Tank Truck.
为此，本文针对散装水泥的主要运载工具气动下灰车存在的问题进行如下的研究工作。
To this end, this paper doing the following research on the point of problems exists in the Bulk-cement Delivery Tank Truck.
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