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【简答题】
造球原料在造球设备中被水润湿后,通过_______和________的作用成球.
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皮皮学刷刷变学霸
举一反三
【单选题】The successful operation of any engine or machine and its trouble free life depends on ____ which involves the formation and maintenance of a lubricating oil film between the moving parts.
A.
effective cooling
B.
effective lubrication
C.
maintenance
D.
the support
【单选题】风热犯卫证的临床表现是( )
A.
发热，微恶风寒，头痛，少汗，咳嗽少痰，咽干鼻燥
B.
咳嗽少痰，咽干鼻燥，口渴，苔白舌红，右脉数
C.
发热，微恶风寒，无汗或少汗，头痛，咳嗽，口微渴
D.
身热，汗出，烦渴，咳喘，或胸闷胸痛，舌红苔黄，脉数
E.
身热，心烦懊憹，坐卧不安，舌苔微黄，脉数
【单选题】What makes a battery "low maintenance" or "maintenance free"? ( )
A.
Material is used to construct the grids
B.
The plates are constructed or different metals
C.
The electrolyte is hydrochloric acid solution
D.
The battery plates are smaller, making more room for additional electrolytes
【判断题】One of the disadvantages of the timing chain is long-life free maintenance.
A.
正确
B.
错误
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