李胜全 2018-06-29 16:13

重理解

尹龙强 2018-06-24 13:10

<p style="background-color: transparent; color: rgb(0, 0, 0); font-family: SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 5px; margin-left: 0px; margin-right: 0px; margin-top: 5px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">讲得很有道理，值得学习！！

尹龙强 2018-06-24 13:10

<p style="background-color: transparent; color: rgb(0, 0, 0); font-family: SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; margin-bottom: 5px; margin-left: 0px; margin-right: 0px; margin-top: 5px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">讲得很有道理，值得学习！！

王琼 2018-06-22 10:45

机械效率是个重点也是一个难点，会的学生少，所以需要我们多花心思，多加点拨！

赵宏 2018-06-21 21:35

总结得很不错