The precision industry surveying for test and calculation of the roller axis using total station and standard rule is discussed.
论述用基准尺和全站仪进行轧机滚筒轴线检测和计算的高精度工业测量方法。
The starting resistance of a roller bearing wagon is an elementary parameter and an important basis for traction calculation and the gradient of station yard design.
车辆起动阻力是列车牵引计算、车站站坪坡度设计的基本参数和重要依据。
The aggregate used in the roller compacted concrete at Gongguoqiao hydropower station was the excavated material from underground caverns which relied on sandstone and SLATE.
功果桥碾压混凝土采用的骨料为地下洞室开挖料，骨料岩性以砂岩和板岩为主。
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