Aerogen Micro Organizations Algae microorganisms in the water also populate over populate because the surplus Nitrogennitrogen.水中的藻类微生物过于密集式由于过量的氮肥....
小汽车撞到一辆停着的车上。The car collided with a stationary vehicle.他使劲踩剎车,险些撞上一辆停着的面包车.He braked hard and narrowly avoided a parked van.楼房前面停着一辆车.A car parked in front of the building....
高压直流架空线路和地下线路分段的组合也常采用.Combinations of both overhead and under - ground HVDC line segments frequently occur.介绍一种电力机车带电通过相分段的自动转换系统.This paper introduces an automatic conversion system for locomotive pas sing through the ...