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2????????и??????????????顢???????????????????д?????????????????????????????????????????䶮
3??2-1??2-2?????????????????“?????”??“??????????”???м??????????????????????
4??2-11??2-12?????(????????????“????????????????????????????????”??????????в???????????????????????
5??4-10???????????????????????????ù???????
6??6-1??y???????????????6-2?????????棨??????? ??“???”????????????????????У?????????????С?
7??6-3?????????????????????????“??α????”???λ?????????????????????????????
8??6-15?????????????ж???????“??????18??”????“??????18mm??”????????????????
9??7-1??7-2??7-3??п?????????????????????“?????3.6m??????????????”??仰?????????
10??5-5??????5-12б????壨??100mm???????6-15?????????????е?λ“M3”???“m3”??
11??????д?????33111707?????“·??????????”???“·??????????”????????29073527?????“???????”???λ “kg”???“m2”??????“2.00”???“35.00”????????14310108?????“PE???32mm)”?????“6.00”???“4.50”????????14310110?????“PE???40mm??”?????“4.50”???“6.00”??
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