ÌâÄ¿ÄÚÈÝ
¹ßÐÔÖƵ¼ÏµÍ³Òѹ㷺ӦÓÃÓÚµ¯µÀµ¼µ¯¹¤³ÌÖУ¬Õâ¸öϵͳµÄÖØÒªÔª¼þÖ®Ò»ÊǼÓËٶȼÆ.¼ÓËٶȼƵĹ¹ÔìÔÀíµÄʾÒâͼÈçͼËùʾ£ºÑص¼µ¯³¤¶È·½Ïò°²×°µÄ¹Ì¶¨¹â»¬¸ËÉÏÌ×Ò»ÖÊÁ¿ÎªmµÄ»¬¿é£¬»¬¿éÁ½²à·Ö±ðÓë¾¢¶ÈϵÊý¾ùΪkµÄµ¯»ÉÏàÁ¬£»Á½µ¯»ÉµÄÁíÒ»¶ËÓë¹Ì¶¨±ÚÏàÁ¬.»¬¿éÔÀ´¾²Ö¹£¬µ¯»É´¦ÓÚ×ÔÈ»³¤¶È.»¬¿éÉÏÓÐÖ¸Õ룬¿Éͨ¹ý±ê³ß²â³ö»¬¿éµÄλÒÆ£¬È»ºóͨ¹ý¿ØÖÆϵͳ½øÐÐÖƵ¼£¬Éèij¶Îʱ¼äÄÚµ¼µ¯ÑØˮƽ·½ÏòÔ˶¯£¬Ö¸ÕëÏò×óÆ«Àë0µãµÄ¾àÀëΪs£¬ÔòÕâ¶Îʱ¼äÄÚµ¼µ¯µÄ¼ÓËÙ¶È
A£®·½ÏòÏò×󣬴óСΪks/m
B£®·½ÏòÏòÓÒ£¬´óСΪks/m
C£®·½ÏòÏò×󣬴óСΪ2ks/m
D£®·½ÏòÏòÓÒ£¬´óСΪ2ks/m
D
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿