Dredging system and dredger for pre-paved gravel foundation bed surface in open sea deepwater
DREDGING SYSTEM FOR PRE-PAVED GRAVEL FOUNDATION BED SURFACE IN OPEN SEA DEEP WATER AND DREDGER
Electric tailgate automatic control method and system
High-strength concrete slab mounting system adopting sliding rails
Highway zero-carbon service area system based on hydrogen energy comprehensive utilization
Intelligent vehicle-mounted control system and method based on Internet of Things
Managing Seasonable Differences in Passengers' Traffic Volume by Lhasa Railway Station
Manual excavation auxiliary device for large-section foundation pit
Multifunctional rail carrier and carrying method thereof
Prefabricated highway steel bridge carrying and erecting van with crawler wheels
River and lake ecological environment protection and restoration device
VEHICLE HINGE ASSEMBLY AND METHOD OF OPERATING THE SAME