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【单选题】
( ) 轴承主要承受径向载荷,其公称接触角 α 越大,承受轴向载荷的能力也越 大
A.
推力
B.
.向心
C.
滚子
D.
调心
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举一反三
【单选题】The holding capability of an anchor is primarily determined by the _______.
A.
shape of the anchor
B.
stowage of the anchor on board
C.
anchor’s ability to dig in
D.
size of the vessel and her draft
【多选题】我国商品归类的依据有?
A.
《协调制度公约》
B.
《进出口税则》
C.
《商品及品目解释》
D.
《本国子目解释》
E.
海关总署下发的关于商品归类的行政裁定和商品归类决定
【单选题】The holding capability of an anchor is primarily determined by the().
A.
shape of the anchor
B.
stowage of the anchor on board
C.
anchor's ability to dig in
D.
size of the vessel and its draft
【简答题】我国进出口商品归类的依据有哪些?
【单选题】The holding capability of an anchor is primarily determined by the ______.
A.
Shape of the anchor
B.
Stowage of the anchor on board
C.
Anchor's ability to dig in
D.
Size of the vessel and its draft
【判断题】结晶性高聚物与结晶高聚物是相同的概念。(    )
A.
正确
B.
错误
【简答题】细菌的核糖体的沉降系数是 s
【判断题】结晶性高聚物与结晶高聚物是相同的概念。24. 结晶性高聚物与结晶高聚物是相同的概念。
A.
正确
B.
错误
【简答题】The capability of an inductor to store energy in a ______field is inductance
【单选题】____ is the capability of an airplane to respond to the pilot's control inputs.
A.
stability
B.
maneuverability
C.
controllability
D.
disturbility
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