The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through. What should you be most concerned with? ()
A downbound vessel
B. An upbound vessel
Current reaction when the lock chamber is being emptied
D. Current reaction when the lock chamber is being filled
活性炭吸附二硫化碳结析气相色谱法测苯系物,如何活性炭采样管。
完带汤治疗带下的主要病机是()易黄汤治疗带下的主要病机是()
A. 脾虚肝郁,湿浊带下
B. 脾肾两虚,湿热带下
C. 肾虚不固
D. 脾气不足,脾精下陷
E. 脾肾两虚
一主诉发热、关节痛的中年女性患者,下列哪一项属于无关诊断()
A. 前脉管炎综合征
B. 结节性多动脉炎
C. 过敏性紫癜
D. 干燥综合征
E. 贝赫切特(白塞)病