皮皮学，免费搜题
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【判断题】
按照药皮类型,可将电焊条分酸性焊条和碱性焊条两类,其中酸性焊条最为常用。
A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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举一反三
【单选题】A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the _______.
A.
high cost of fuel
B.
serious fire hazard
C.
possibility of pollution
D.
poor combustion which will occur in that cylinder
查看完整题目与答案
【单选题】The needle valve in a fuel valve will _____ when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
A.
be jammed
B.
be opened
C.
be seated
D.
be broken
查看完整题目与答案
【单选题】To maintain precise fuel metering, the fuel pressure regulator maintains a constant fuel ______.
A.
pressure
B.
flow
C.
velocity
D.
quality
查看完整题目与答案
【单选题】The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means _____.
A.
join with
B.
mix
C.
be equal to
D.
be constant
查看完整题目与答案
【多选题】下列各项中，关于持有至到期投资说法正确的是
A.
企业取得持有至到期投资的交易费用计入初始确认金额
B.
持有至到期投资应采用摊余成本进行后续计量
C.
企业取得持有至到期投资时，支付的价款中包含已到付息期但尚未领取的利息应该计入应收利息
D.
持有至到期投资减值准备一经确认，在以后的会计期间不得转回
查看完整题目与答案
【单选题】The high pressure in fuel injection system of the diesel engine is produced by the _____.
A.
injector pump
B.
fuel injector
C.
governor
D.
turbocharger
查看完整题目与答案
【单选题】**During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ____.
A.
ensure penetration(渗透)and distribution of the fuel in the combustion chamber
B.
ensure the needle valve is flushed clean during each injection
C.
prevent combustion gas blowback into the open needle valve
D.
prevent reflected(反射的)pressure waves when the needle valve closes
查看完整题目与答案
【单选题】为了使并励发电机能够自励发电,励磁回路的电阻Rf应( )。
A.
Rf等于电枢回路的电阻Ra
B.
越大越好
C.
越小越好
D.
适当
查看完整题目与答案
【单选题】为了使并励发电机能够自励发电,励磁回路的电阻 Rf 应( )。
A.
越大越好
B.
适当
C.
越小越好
D.
Rf等于电枢回路的电阻Ra
查看完整题目与答案
【单选题】The high-pressure fuel opens the fuel valve and is sprayed into the cylinder in tiny droplets known as _____.
A.
injection
B.
penetration
C.
atomization
D.
compression
查看完整题目与答案
相关题目：
【单选题】A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the _______.
A.
high cost of fuel
B.
serious fire hazard
C.
possibility of pollution
D.
poor combustion which will occur in that cylinder
查看完整题目与答案
【单选题】The needle valve in a fuel valve will _____ when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
A.
be jammed
B.
be opened
C.
be seated
D.
be broken
查看完整题目与答案
【单选题】To maintain precise fuel metering, the fuel pressure regulator maintains a constant fuel ______.
A.
pressure
B.
flow
C.
velocity
D.
quality
查看完整题目与答案
【单选题】The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means _____.
A.
join with
B.
mix
C.
be equal to
D.
be constant
查看完整题目与答案
【多选题】下列各项中，关于持有至到期投资说法正确的是
A.
企业取得持有至到期投资的交易费用计入初始确认金额
B.
持有至到期投资应采用摊余成本进行后续计量
C.
企业取得持有至到期投资时，支付的价款中包含已到付息期但尚未领取的利息应该计入应收利息
D.
持有至到期投资减值准备一经确认，在以后的会计期间不得转回
查看完整题目与答案
【单选题】The high pressure in fuel injection system of the diesel engine is produced by the _____.
A.
injector pump
B.
fuel injector
C.
governor
D.
turbocharger
查看完整题目与答案
【单选题】**During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ____.
A.
ensure penetration(渗透)and distribution of the fuel in the combustion chamber
B.
ensure the needle valve is flushed clean during each injection
C.
prevent combustion gas blowback into the open needle valve
D.
prevent reflected(反射的)pressure waves when the needle valve closes
查看完整题目与答案
【单选题】为了使并励发电机能够自励发电,励磁回路的电阻Rf应( )。
A.
Rf等于电枢回路的电阻Ra
B.
越大越好
C.
越小越好
D.
适当
查看完整题目与答案
【单选题】为了使并励发电机能够自励发电,励磁回路的电阻 Rf 应( )。
A.
越大越好
B.
适当
C.
越小越好
D.
Rf等于电枢回路的电阻Ra
查看完整题目与答案
【单选题】The high-pressure fuel opens the fuel valve and is sprayed into the cylinder in tiny droplets known as _____.
A.
injection
B.
penetration
C.
atomization
D.
compression
查看完整题目与答案