做健胸按摩时,出现局部()属正常。 ["微红、肿痛感觉","红肿、起泡","过敏、痒痛","起泡、痒痛感觉"]
某轮船速17kn,航行2h后相对计程仪读数差为36'.0,计程仪改正率ΔL=0%,已知该轮实际航程为34nmile,则该轮航行在()中。 ["A.无风无流","B.顶风顺流","C.顶流顺风","D.顶风顶流"]
物资存放一般采取()的储存方法。 ["A、分区","B、分类","C、分性质","D、分区分类"]
免疫防御(immunologic defence)
某轮船速18kn,航行2h后相对计程仪读数差为34'.0,计程仪改正率ΔL=0%,已知该轮实际航程为32nmile,则该轮航行在()中。 ["A.顺风顺流","B.顶风顺流","C.顶流顺风","D.顶风顶流"]
蜡油集油箱抽空,DCS如何调节?