新華社北京4月12日電(記者周圓)記者12日獲悉，三一重工基於樹根互聯工業互聯網平臺打造的“挖掘機指數”顯示，一季度全國工程機械平均開工率為44.67%，較去年同期增幅為1.62%，折射出一季度中國經濟平穩起步。

The data shows that in the first quarter, the performance of hoisting equipment was outstanding, with an average operating rate of 28.0%. Hoisting equipment is often used in the finishing links of large-scale equipment installation and structural hoisting, and its high operating rate indicates that more infrastructure projects will focus on equipment commissioning and capping of the main structure in the first quarter.

In terms of total working hours, the stacker increased by 81.0% year-on-year in the first quarter, and the reach stacker increased by 0.0% year-on-year, surpassing other subdivided equipment. Among them, the total working time of Chongqing forklift increased by 0.0% year-on-year, ranking first in the growth rate of similar equipment; The total working hours of reach stackers in Guangxi and Qinghai increased by 0.0% and 0.0% year-on-year respectively, and the growth rate ranked among the top five in the country for similar equipment. Forklifts and reach stackers are mainly used for the logistics and handling of containers, and the total working hours have increased significantly year-on-year, indicating that the development momentum of foreign trade in the western region in the first quarter is good compared with the same period last year.

From a regional point of view, the average operating rate of construction machinery in the central region in the first quarter was 46.0%, ranking first in all regions, an increase of 0.0% over the same period last year.