题目内容

The calculation formula of carbon equivalent of the IWS considers the influence of () on weldability.

A. diffusion hydrogen
B. welding process
C. welding structure 
D. chemical composition

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Maximum crack distance has been used to allow more accurate determination of the cracking ( ) range.

A. size
B. temperature
C. toughness
D. strength

Hot ductility tests simply measure the () strength and ductility.

A. room
B. elevated
C. all temperature

幼儿家长教养方式类型有()

A. 民主权威型
B. 绝对权威型
C. 娇惯溺爱型
D. 反复练习型
E. 忽视冷漠型

幼儿家庭教育指导属于()

A. 成人教育
B. 师范教育
C. 普通教育
D. 社会教育
E. 终身教育

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