ÌâÄ¿ÄÚÈÝ
´ÓijһÐÇÇò±íÃæ×ö»ð¼ýʵÑé¡£ÒÑÖªÊúÖ±Éý¿ÕµÄʵÑé»ð¼ýÖÊÁ¿Îª15Kg£¬·¢¶¯»úÍÆ¶¯Á¦ÎªºãÁ¦¡£ÊµÑé»ð¼ýÉý¿Õºó·¢¶¯»úÒò¹ÊÕÏͻȻ¹Ø±Õ£¬ÈçͼËùʾ£¬ÊÇʵÑé»ð¼ý´ÓÉý¿Õµ½Â仨ÐÇÇò±íÃæµÄËÙ¶ÈËæÊ±¼ä±ä»¯µÄͼÏߣ¬ÔòÓÉͼÏó¿ÉÅÐ¶Ï £¨ £©
A£®¸ÃʵÑé»ð¼ýÔÚÐÇÇò±íÃæ´ïµ½µÄ×î´ó¸ß¶ÈΪ320m
B£®¸ÃʵÑé»ð¼ýÔÚÐÇÇò±íÃæ´ïµ½µÄ×î´ó¸ß¶ÈΪ480m
C£®·¢¶¯»úµÄÍÆ¶¯Á¦FΪ112£®50 N
D£®·¢¶¯»úµÄÍÆ¶¯Á¦FΪ37£®50 N
![]()
BC
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿