塔尖先起了火,接着教堂的顶部也燃起火;后来燃烧的椽子坠入到教堂的正厅,教堂里的长凳着起了火。
First the steeple burned, then the roof; then the blazing rafters collapsed into the nave, and the pews caught fire.
第一,先确定周围环境是否安全。如安全了,才可去抢救还在火中的人,火太大就不可以去抢救了,救人途中不要再拿其他东西。
First, decide whether the surrounding environment. If the security, just can go to rescue the people in the fire, and the fire is not too large to rescue, save on other things don't.
室温和高温拉伸强度随锻造火次的增加呈现先减少后增加的趋势,塑性则先增加后减小。
At room temperature and high temperature the tensile strength of the forging decreases firstly and then increases while the ductility changes on the contrary.
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