????????????,?????????????????????????????????????????????6??8??10??16?,??a??b?(a??????(1.2-1.6m),b??????(1.1-1.7m)),????????????30000-60000???
??????????????6??8??10?,????:2440*1830m?,?????????????20000-25000???
????????????,?????????????????????????????????????????????6??8??10??16?,??a??b?(a??????(1.2-1.6m),b??????(1.1-1.7m)),????????????30000-60000?????????????????6??8??10?,????:2440*1830m?,?????????????20000-25000???
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????6????,????200??,????????68????????(????????????????????????)100????
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??,??????1999?,2009???????????????????????????,?????60???????????“????60????????????”?????;
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