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【判断题】
CO 2 气体保护焊采用短路过渡焊接时,回路电感过小,则短路过程不稳定,容易引起大量的飞溅。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】A．When the children grow up. B．When the family life is getting better. C．When the man is angry because his wife is not his servant. D．When the wife brings in more money.
【简答题】附或有支出的债务重组，重组债务的账面价值与重组后债务的入账价值之间的差额，计入当期损益（营业外收人）。（ ）
【单选题】7 When does the referee give the other team a free kick?
A.
When a player commits a foul.
B.
When the ball goes out of the sides of the pitch.
C.
When the ball leaves the ends of the pitch.
【单选题】The students asked me going to be held.
A.
when is the party
B.
when the party was
C.
when the party is
D.
when was the party
【单选题】When does the feeling of forward motion stop?
A.
When the plane stops climbing.
B.
When the plane lands.
C.
When there is no longer a change in speed.
D.
When we begin to feel speed.
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