【单选题】国债产生的基本条件是政府支出的需要和( )。
【判断题】国债产生的基本条件是商品经济和信用经济的发展。
【单选题】Transmission chain of CNC lathe is ( ).
【判断题】Transmission chain of CNC lathes is short
【单选题】在分道通航制区域中,你船可使用'YG'信号的情况是:
【单选题】which one is not the way to reduce transmission error for mechanical trasmission chain?
A.
reduce the weight of the parts
B.
increase the precision of the parts
C.
design reasonable transmission chain
D.
adapt the clearance elimination mechanism
【单选题】下列关于转氨基作用的描述,不正确的是:()
B.
转氨酶催化α-氨基酸和α-酮酸之间进行氨基、酮基互换
【单选题】The chain transmission, forming the connection between and the camshaft, is enclosed in the chain drive casing.
【简答题】chain transmission Forms the connection between the ___________ and the ____________.