密封件的形状应使()、(),容易制造和拆装,特别是应能随压力的升高而提高()和有利于()。
风水的脉象有() ["脉浮","脉浮而紧","脉浮而洪","脉沉滑","E、脉弦"]
有一个三相三角形接线的负载,每相均由电阻R=10Ω,感抗XL=8Ω组成,电源的线电压是380V,则相电流Iph为() ["29.3A","29.7A","30.3A","30.8A"]
石水的诊断依据() ["腹满","小便不利","喘","脉沉","身肿"]
干燥机高电流联锁值(). ["67","22","65"]
麦粒肿,又名(),中医学称之为()等。