氮化合物含量高者，烟叶刺激性大，反之则小。
参考答案：错
不符合婴幼儿灌肠时，肛管插入的深度（）。
A.2～2.5cm
B.2.5～4cm
C.7～8cm
D.10～12cm
E.12～14cm
A high cube container is designed specifically to（）.
A.carry low density cargoes
B.protect fragile cargoes
C.stow cargoes with concentrated weights such as machinery
D.carry cargoes of very low stowage factors
