| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a structure for a mosquito-proof/smell-proof ditch cover which can prevent mosquitos or insects from entering a drainage ditch, prevent methane/smell from being exhausted from the drainage ditch, and can improve environmental sanitary only by discharging rainwater or sludge. <P>SOLUTION: A mosquito-proof/smell-proof structure is configured to include at least one cover 10 and at least one patch 12. The cover 10 comprises at least one punch and a blow-bye portion, and has at least one claw, stopper, and fixing portion 11 attached at a proper position of a lower part thereof such that these portions (claw, stopper, fixing portion 11) are linked with the cover 10 and integrated. <P>COPYRIGHT: (C)2013,JPO&INPIT |
