热利下重,腹痛,里急后重甚者,可于白头翁汤中加()。
A. 葛根、银花、连翘
B. 当归、芍药、木香、槟榔
C. 枳实、山楂、莱菔子
D. 银花、生地、丹皮、赤芍
The Chief Mate must ascertain that the deck loads are stowed in such a manner as().
A. not to affect the draught trim
B. not to affect the cargo ventilation
C. not to affect the free surface
D. not to affect the vessel's stability
计算题:有一原木,长为8米,梢头直径18cm,大头直径26cm,求其材积。