皮皮学，免费搜题
登录
搜题
【多选题】
铸铁中碳除溶于铁素体外,其余的碳全部以渗碳体形式存在,这种铸铁的断口呈 ,称为 铸铁。( )A.
白色
B.
灰色
C.
黑色
D.
白口
E.
马口
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
【简答题】化疗药物漏出静脉外,你应如何处理?
【单选题】If the expansion of the size of a firm is responsible for a decline in average cost, then _______ are present.
A.
internal scale economies
B.
external scale economies
C.
product differentiations
D.
constant returns to scale
【单选题】If the superheat value of a thermostatic expansion valve is set too low, the _.
A.
the suction line will be abnormally cold and liquid may slug back to the compressor
B.
the suction line will be hot due to a reduced amount of refrigerant returning to the compressor
C.
the temperature of the refrigerant within the condenser will remain the same
D.
the temperature of the refrigerant passing through the sub-cooler will decrease
【单选题】If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ______.
A.
loss of suction in the circulating pump
B.
leak in the primary cooling system
C.
broken raw water pump shaft
D.
burned or cracked piston in one cylinder
【多选题】申请复议的条件包括【】
A.
有明确的被申请人，有具体的复议请求和事实根据
B.
属于申请复议范围
C.
属于受理复议机关管辖
D.
申请人是认为具体行政行为直接侵犯其合法权益的相对人
相关题目：
参考解析：
知识点：
题目纠错 0
发布
