若一轮船排水量1.5×104t为,它在河水中满载时受到的浮力为 N,若船身自重为5×107N,则它最多载货 t。(g取10N/kg)
1.5×108,104
E-schopping.when properly ___________.can save us a lot of time and money.
A.doing
B.to do
C.having done
D.done
“T”管装置具有气道阻力和无效腔小,不易引起CO2畜积,因此适用于所有小儿麻醉。