采用交流电焊机一般不会产生明显的磁偏吹现象。
参考答案：对
男性，8岁，患儿好动，智力较同龄儿稍差，有出生时产伤史。如图，可诊断为_______________。
It would be possible that part of the cargo got（）as great change in the weather during the voyage caused heavy（）in the hold.
A.damp/water
B.dampness/sweater
C.wet/condensation
D.wetness/dew
