财务控制按控制内容可以分为() ["定额控制和相对控制","收支控制和现金控制","内部控制和外部控制","预算控制和制度控制"]
The color of the exhaust from a diesel engine should be () ["clear","hazy light brown","hazy light blue","hazy light grey"]
门式脚手架可调底座的调节螺杆伸出长度不应大于()mm。 ["100","200","300","400"]
亨廷顿氏(Huntington)舞蹈病是由于编码huntingtin蛋白基因的碱基序列()过度重复造成的一种遗传疾病。 ["AGC","GGG","CAG","CGA"]
Scavenging in a four-stroke/cycle diesel engine occurs during the (). ["last part of the exhaust stroke, and the first part of the intake stroke","last part of the intake stroke only","early part of the injection stroke only","early part of the power stroke"]
试述三期焦炉炉体较二期焦炉的改进措施。