随着经营规模不断扩大，经济效益明显提高。
With the operation scale constantly expanding, the economic benefits have increased significantly.
锚杆支护在煤巷支护方面，较型钢支护程度不同地节约了支护费用，经济效益明显提高。
In roadway support, bolt support saves cost of support over profile steel, economic performance is distinctly improved.
经过现场调试和运行，预应力钢丝的抗拉强度有了明显提高，使企业获得了直接经济效益。
The test and running show that the tensile strength of steel wire has been obviously increased and the economic benefit has been obtained.
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