三轮卡车自重W=8kN,载重P=10kN,作用点位置如图4-54所示,求静止时地面作用于三个轮子的反力。图中长度单位为m。
参考答案:
My handwriting can't ___ his, His is much better than mine.
A.compare
B.compare to
C.be compared to
D.be compared with
公安民警要做到以事实为依据,以法律为准绳,一要严把证据关,二要严把()。
A.案件关
B.人情关
C.法律关
D.材料关