When pressure is increased, the ancroid is squeezed , so It'shortens.当大气压力增加时, 膜盒压紧而缩短.Pollution shortens considerably the life expectancy of a body of water.污染使水体的估计寿命大为缩短.The new highway shortens the trip.新公路使旅程缩短...
When pressure is increased, the ancroid is squeezed , so It'shortens.当大气压力增加时, 膜盒压紧而缩短.Pollution shortens considerably the life expectancy of a body of water.污染使水体的估计寿命大为缩短.The instable voltage of grid shortens the ...