真空集便器
vacuum toilet wastewater collectors
真空集便系统
vacuum dejectas collection system
真空集成电路
vacuum integrated circuit
vacuum integrated circuits
真空集热管
evacuated collector tube
parabolic trough
evacuated tubular collector
Solar energy vacuumed collecting-heat tubes
vacuum tube collector
evacuated
真空降水-低能强夯
vacuum dewater combined with low energy dynamic compaction
真空降水堆载联合预压
the combined preloading of vacuum dewatering and loading
真空降水预压
Vacuum dewatering and preloading