皮皮学，免费搜题
登录
搜题
【单选题】
既有养肝明目之功,又有安胎之效的药物是A.
子
B.
子
C.
桑寄生
D.
续断
E.
菟丝子
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Which system(s) in the hydraulic systems of crane always hold(s) single side of load?
A.
hoisting system only
B.
hoisting system and luffing system
C.
hoisting system and slew and slewing system
D.
slewing system only
【单选题】For a balanced three-phase △ -connected load, the average power absorbed by the load is P . Change the △ -connected load to Y-connected load, the power will :
A.
remain the same
B.
increase to P
C.
increase to P
D.
increase to 3 P
【单选题】The vessel’s load line certificate is always issued by ____.
A.
The register of shipping
B.
custom house
C.
cargo survey bureau
D.
maritime safety administration
【单选题】The vessel’s load line certificate is always issued by ____.
A.
the register of shipping
B.
custom house
C.
cargo survey bureau
D.
maritime safety administration
【单选题】The load on the crosshead pin is always ______, so it is the ______ half of the bearing which is subject to wear.
A.
upwards / top
B.
upwards / bottom
C.
downwards / top
D.
downwards / bottom
【单选题】下列关于胫前动脉和足背动脉的描述,错误的是
A.
压迫胫前动脉，其止血的范围是整个足部
B.
胫前动脉发自腘动脉
C.
胫前动脉的血供范围是小腿前群肌
D.
其体表投影为：胫骨粗隆与腓骨小头连线中点至足背内、外踝连线的中点为胫前动脉；自足背内、外踝连线中点至第1、2跖趾关节间的连线为足背动脉
E.
在内、外踝连线中点向深部压迫足背动脉，可止血
【单选题】The vessel’s Load Line Certificate is always issued by （）.
A.
The Register of Shipping
B.
Customs House
C.
Cargo Survey Bureau
D.
Maritime Safety Administration
相关题目：
参考解析：
知识点：
题目纠错 0
发布
