超精密切削
Ultra-precision cutting
ultraprecision cutting
ultraprecise cutting
ultra-precision cutti ng
Ultra-precision Turning
ultra precision cutting
Ultra-precision Machining
ultraprecision machining
垂直压密注浆钢管桩
vertical steel pipe pile for compressed mortar
多目标决策密切值分析法
osculating value method at multi-objective decisio
osculating value method of multi-objective decision