¹ãÖÝ ±±¾© ÉϺ£ ¹ãÖÝ ÉîÛÚ º¼ÖÝ È«¹ú ÆóÒµ ×ÊѶ Çл»
×îÐÂÈëסÉ̼Ò
×îÐÂÐÅÏ¢
ËÑË÷¹¤¾ß
Íø°ïÄãΪÄúÕÒµ½¡°Ç¿ ¡±Ïà¹ØÐÅÏ¢

³§¼Òרҵ¹©Ó¦¸ßÇ¿¶Èľ»ù·À¾²µç»î¶¯µØ°å

²úÆ·½á¹¹£º 1. µØ°å²ÉÓøßÃܶÈ×èȼÅÙ»¨°å»ù²Ä£¬±íÃæ¿ÉÕ³Ìù·À¾²µçHPL»òµ¼µçPVC,µ×Ãæ²ÉÓÃÓÅÖʶÆÐ¿¸Ö°å£¨»òѹ»¨ÂÁ²­£©·âµ×£¬ËÄ...

¹ãÖÝÑÅ˼ǿ»¯¸¨µ¼°à /Íâ½ÌС°à

¹ãÖÝÑÅ˼ǿ»¯¸¨µ¼°à Íâ½ÌС°à ±¾¿Î³Ì¹²·Ö7¸ö½×¶Î:6.5·ÖÖ±´ï,ÈëÃŽ׶Î,Æð²½½×¶Î,Ô¤±¸½×¶Î,»ù´¡½×¶Î,Í»ÆÆ½×¶Î¼°¾«Æ·½×¶Î.¶ÔѧԱ²ÉÈ¡¸öÐÔ»¯µÄ½Ìѧ...

¹ãÖÝÍи£Ç¿»¯¸¨µ¼ Ãâ·ÑÔ¤Ô¼

¹ãÖÝÍи£Ç¿»¯¸¨µ¼ Ãâ·ÑÔ¤Ô¼ Íи£Ç¿»¯°à£¨°×½ð°à£© ¹ãÖÝΤ²©Íи££¬Íи£Åàѵ»ú¹¹£¬¹ãÖÝΤ²©×îרҵÍи£Åàѵ»ú¹¹£¬Ê×ѡΤ²©¹ú¼ÊÓ¢Óï ¹ãÖÝΤ²©TOEFL...

Ö±Ïú·µÀûÈí¼þ,Ö±ÏúË«¹ìÏµÍ³ÍøÕ¾,É̳ǿª·¢

ÆóÒµÐÅÏ¢»¯Ò»Ö±ÒÔÀ´ÊÇÆóÒµ¼ÓÇ¿¹ÜÀí¡¢Ìá¸ßÐ§ÒæµÄÖØÒªÊֶΣ¬Ö±ÏúÆóÒµ×÷Ϊһ¸öÏà¶Ô±È½ÏÐÂÐ˵ÄÐÐÒµ£¬ÆäÒµÎñģʽ¾ö¶¨ÁËÐÅÏ¢»¯µÄÖØÒªÐÔ£¬¿ÉÒÔ˵£¬ÈκÎÖ±...

Ö±ÏúÈí¼þ¹«Ë¾,Ö±Ïú¹ÜÀíÈí¼þÊÖ»ú°æ,É̳ǿª·¢

Ö±ÏúÈí¼þ¹«Ë¾°²È«¿É¿¿£º°²È«´óÓÚÌ죬ÊÇÖ±ÏúÆóÒµµÄ×ÚÖ¼¡£Í¬ÑùÒ²ÊǵÄ×ÚÖ¼£¬¶ÔÓÚ´¦Àí°²È«ÎÊÌ⿼Âǵ½¡£È磺ͣµç´¦Àí¡¢¶àÖØ±¸·Ý¡¢³·Ïû¼ÆË㣬ÉèÖû¹Ô­µã...

Ö麣Éç±£´úÀí¹«Ë¾£¬È«¹ú°ÙÇ¿Éç±£´úÀí¹«Ë¾

´ú½ÉÖ麣Éç±£ÊÇÀͶ¯±£ÕÏÊÂÎñ´úÀíÖеÄÒ»ÖÖ´úÀí·½Ê½£¬Ö¸ÓÉÕþ¸®ÈËʲ¿ÃÅËùÊôµÄÈ˲ŷþÎñÖÐÑë¡¢ÀÍÎñ·þÎñ¹«Ë¾»òÈËÁ¦×ÊÔ´¹«Ë¾µÈ£¬°´ÕÕ¹ú¼ÒÓйØÈËÊÂÕþ²ß·¨...

¹ãÖÝÀóÍ庮¼Ù²¹Ï°°àÐÂÍõÅÆÐ¡°à³õÖÐѹǿ֪ʶµã

¹ãÖÝÀóÍ庮¼Ù²¹Ï°°àÐÂÍõÅÆÐ¡°à³õÖÐѹǿ֪ʶµã 1. Ë®µÄÃܶȣº¦ÑË®=1.0¡Ákgm3=1 g cm3 2. 1m3Ë®µÄÖÊÁ¿ÊÇ1t 3. ÀûÓÃÌìÆ½²âÁ¿ÖÊÁ¿Ê±Ó¦"×óÎïÓÒ...

¹ãÖÝÀóÍåÇï¼¾²¹Ï°°àÐÂÍõÅÆÐ¡°àÕâЩʳÎïÄÜÔöÇ¿¼ÇÒäÁ¦

¹ãÖÝÀóÍåÇï¼¾²¹Ï°°àÐÂÍõÅÆÐ¡°àÕâЩʳÎïÄÜÔöÇ¿¼ÇÒäÁ¦ Å£ÄÌÅ£ÄÌÊÇÒ»ÖÖ½üºõÍêÃÀµÄÓªÑøÆ·¡£Ëü¸»º¬µ°°×ÖÊ¡¢¸Æ£¬¼°´óÄÔËù±ØÐèµÄ°±»ùËᡣţÄÌÖеĸÆ×îÒ×...
·ÂËÑË÷ÒýÇæÍøÒ³Ä£°å

ɨÃè¶þάÂëÓÃÊÖ»ú·¢²¿ÐÅÏ¢