Pr

?????

???? ???? ????

???? ?????

?????

??? ????? ?????: ????? ???? ??? ????? ??? (???? ?????, ??? ?????, ???? ?????, ??? ?? ?????? ?????, ??? ?????)

??? ????? ?????? ?????? ??? ?? (??? ??????? ???? ???? ??????? ???? ???? ?????? ????? ??? ????? ??? ?????)

????? ??????? ?????: ?? ???? + ?????? ???? ???? (?? ???? ???? ?? ??? ??? ?????? ??? ?? ? ???? ???? ??? ?????? ???? ???? ??? ???? ???? ????? ??? ??????) ???? ???? ?? ??????? ???

????? ????? ?????: ????? ??, ??????, ?? ?? ?????, ???.

????- ????? ???? ??? ????? ???/???? ???? ??? (????? ???? ??? 600 ???? ???? ????? ????)

???? ???

????

? 25-30 ?? ??? ??? ?????? ???? ??? ????, ???? ???? ????? ??? ??? ???? ?? ??

100-150 ??, ???? ???? ?????? ??? ?? ?? ????, ???? ???? ???? ????? ???? ???? ??? ??? ???? ?????, ????? ??? ????? ??.

???? ??????? ????

0.017 ~ 0.023w / m·k (???? ?????, ????? ???? ??????, ???? ????)

0.04?/??

????

1, ?????, ??? ??? ?? ??, ????? ??? ?? ??? ????, ??????? ???? ???????; 2, 100 ?? ??? ???? ????? ??, ? 6 ??? ????: ???? 2 ???, ????? 1 ??? ??; ???? ????? ?????? ?? ???? ??? ????? ????.

1, ???? ?? ??? ?? ?????, ?????? ????? ??????? ???? ??????; 2, 100 ?? ??? ???? ????? ??, ? 6 ??? ????: ??? ??? ?? ????, 5-7 ??? ??? ???; ????? ???? ?? ????? ??? ?? ????

????? ??????

???? ?????: ???? ?? ??????? ????, ???? ??? ??? ?? ??? ??, ???? ??? ?? ???.

??? ??? ???? ??? ?? ????? ? galvanized iron sheet ??? ?? ?????? ????? ??? ????? ?? ??? ?????? ??? ?????? ?? ???? ????? ?? ??? ??????

????? ???

??????? ?? ?????? ??? ?? ??? ???? ??? ???? ????

???? ???????, ?????? ?? ?? ??? ?? ??? ????? ????, ????? ??? ???? ????

??????? ???

???? ???????, ???? ???? ?????? ??? ????, ?? ??????? ???.

???? ??, ?? ??? ???? ??????, ??? ?? ????? ???? ?????.

????? ???

????? ???? ????? ????? ? 30% ??? ???? ???

///

????? ??

??? ????? ??? ??? 20 ???? ??? ?? 15 ???? ???? ??? ??? ??????? ??? ??? ????? ????? ??? ???? ??? ? ?? ???? ??????

??????? ???? ??? ???? ????, ?? ???? ?????? 1-2 ??? ??. ???? ?? ???, ??? ??? ???? ????? ???? ?? ??.

????????? ??

???? ?? ????????? ?? ?20-30% ????? ????? ???? ???

///