1.   Landfarming is similar to composting systems for destroying organic or biological sludges from municipal and industrial waste water treatment systems.

2.   Nearly half its people live without public services such as a sewage treatment system.

3.   The absence of affordable treatment systems forces farmers to spread the manure on the fields, from where it runs off into river catchments.

4.   Those beaches which benefit from improved sewage treatment systems, such as Hunstanton in Norfolk, are praised for their water quality.

5.   Julian Jones will argue that schemes like this natural reed bed sewage treatment system should be inbtroduced.

6.   Automated treatment systems will be mass-produced as consumer products, in much the same way that blood-pressure sensors have become an off-the-shelf item.

7.   All those involved in medical services need to work together to establish an emergency treatment system that ensures appropriate care by experts trained for the job.

8.   Although Conrail had a treatment system to separate oil from rainwater, it had not maintained the system.

9.   But the Clinton administration has promised San Diego it will not have to invest in a more advanced water treatment system.

n. + system >>共 804
computer 5.46%
school 2.85%
defense 2.63%
missile 2.33%
justice 2.00%
pressure 1.82%
tax 1.74%
security 1.68%
cable 1.60%
control 1.49%
treatment 0.15%
treatment + n. >>共 298
plant 16.32%
program 15.38%
center 12.81%
facility 5.65%
option 4.62%
plan 2.73%
system 2.09%
group 1.78%
room 1.58%
decision 1.54%
每页显示:    共 53