对刚进企业的新工人应接受劳动部门、公司、班组的三级安全教育
A. 正确
B. 错误
Gas exchange, which is a basic part of the cycle of an internal combustion engine, is()
A. the supply of normal air and removal of compressed air
B. the supply of fuel oil and combustion of the atomized oil
C. the supply of fresh air and removal of exhaust gases
D. the supply of fresh air and removal of the extra heat
“知行兼重”是中国古代哲学的一个命题,下列选项与之无关的是()。
A. “纸上得来终觉浅,绝知此事要躬行”
B. “汝果欲学诗,功夫在诗外”
C. “天行健,君子以自强不息”
D. “读万卷书,行万里路&rdquo
HXD2型电力机车二系横向止挡间隙(落车后)为20mm(自由)+()mm(弹性)。