题目
第7题
A、more fluid and interactive
B、less fluid and interactive
C、more fluid and less interactive
D、less fluid and more interactive
第8题
A.prostatic fluid only
B.seminal fluid and prostatic fluid
C.sperm only
D.sperm and seminal fluid
E.sperm, seminal fluid, and prostatic fluid
第9题
A.overload on the pump motor
B.low fluid level in the reservoir
C.low fluid viscosity around the shaft seal
D.high oil level in the sump
为了保护您的账号安全,请在“赏学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!