Using effect of the device is good with 2bj-3 precision drill forming a complete set.
该装置与2bj—3型气吹式精密播种机配套，使用效果良好。
Characteristics of the road transport industry practice of forming a complete set of management methods.
在公路运输行业特点的实践中形成了一整套经营管理方法。
Characteristics of the road transport industry practice of forming a complete set of management methods.
在公路运输行业特点的实践中形成了一整套经营管理方法。
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