Each statement is right about TP infection EXCEPT _____?
A. Heart failure may proceed in tertiary phase.
B. A chancre lesion is reddened ulcer filled with TP in Phase II.
C. TP can invade the bloodstream and spreadsystemically.
D. Widely spread rash lesions are filled with spirochetes and extremely contagious in second phase.
查看答案
In which phase of syphilis, no active TP is detected?
A. Primary phase;
B. Second phase
C. Latent phase
D. Tertiary phase.
叉车加注润滑脂的部位主要有______。
A、门架与驱动桥铰接处
B、倾斜油缸铰接处
C、转向系各铰接处
D、水泵轴等各轴承
加注润滑的部位必须溢出新的润滑脂才可以停止加注。 （ ）
A. 对
B. 错
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