气动薄膜执行机构分正作用和反作用两种形式,信号压力增大时推杆向()动作的称反作用。
参考答案:上
男性患者41岁,左侧颈部肿块、无疼痛、发热、可扪及质软的结节,CT检查示甲状腺左叶占位性病变。甲状腺核素显像示左叶“冷”结节。
治疗DTC转移,131I剂量的确定,主要的根据为()。
A.DTC转移灶的部位
B.骨转移者131II剂量最小
C.根据甲状腺素水平
D.有无消化性溃疡
E.肺弥漫性转移灶应高于局部肺转移
Those who________the plan tried to persuade those who didn't agree to it. [ ]
A. was against
B. was for
C. were against
D. were for