【单选题】螺纹标记 Tr40×14(P7)LH-8e中,14表示梯形螺纹的:
【单选题】螺纹标记 Tr40 × 14 ( P7 ) LH-8e 中, 14 表示梯形螺纹的( )
【单选题】螺纹标记Tr40 ×14(P7)LH-8e中,该梯形螺纹的螺距是:
【单选题】螺纹标记Tr40×14(P7)LH-8e中,该梯形螺纹的螺距是:
【单选题】螺纹标记Tr40×14(P7)LH-8e中,该梯形螺纹的螺距是:
【单选题】螺纹标记Tr40×14(P7)LH-8e中,该梯形螺纹的螺距是:
【多选题】下列关于营运资本筹集政策的表述中,正确的有( )。
A.
采用激进型筹资政策时,企业的风险和收益均较高
B.
如果企业在季节性低谷,除了自发性负债没有其他流动负债,则其所采用的政策是配合型筹资政策
C.
配合型筹资政策下,波动性流动资产=短期金融负债
【单选题】梯形螺纹标记Tr40×14(P7)LH-8e中的8e表示螺纹的( )
【单选题】For an ideal gas, the specific heat at constant pressure Cp is greater than the specific heat at constant volume Cv because the
A.
gas does work on its environment when its pressure remains constant while its temperature is increased
B.
heat input per degree increase in temperature is the same in processes for which either the pressure or the volume is kept constant
C.
increase in the gas’s internal energy is greater when the pressure remains constant than when the volume remains constant
D.
pressure of the gas remains constant when its temperature remains constant