11.   The rain has flooded drainage canals and left water standing in many groves, causing the fruit to fall before ripening and threatening to kill the trees.

12.   They found the parasite in mountain lakes, drainage canals, cattle ponds, reservoirs and even a small, artificial pond less than a year old.

13.   This in turn involves the relocation of drainage canals and the purchase of land for water storage and purification.

14.   Authorities have been working round the clock to reinforce dikes and drainage canals in the low-lying coast belt.

15.   Casucog said they needed to demolish the stalls because they were clogging a drainage canal that could cause flooding in Manila.

16.   In east Jerusalem, an Arab boy tripped and fell into a drainage canal, Menuhin said.

17.   In Manila and its suburbs, workers began clearing mud and debris from streets and drainage canals.

18.   Other towns followed suit as drainage canals and pumping stations were swamped by the worst rainfall in living memory.

19.   Some firefighters in western Montana are being reassigned for duties that include planting new seed and clearing fallen timber and debris from natural drainage canals in burned forests.

20.   The waste flows freely in the drainage canals that criss-cross Cite Soleil.

n. + canal >>共 46
irrigation 44.59%
drainage 13.38%
sewage 4.46%
barge 3.18%
dirt 2.55%
el 2.55%
sea-level 1.91%
diversion 1.27%
crater 1.27%
sewer 1.27%
drainage + n. >>共 74
system 30.30%
ditch 19.48%
pipe 5.41%
canal 4.55%
channel 4.11%
problem 3.90%
hole 3.46%
area 2.16%
culvert 1.95%
work 1.52%
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