She was wearing a man's working boots. 她脚上穿着一双男用工作靴。
Following this one hour period, the system pressure shall be reduced to the MAWP of the system and are all welds and joints. 一小时后,将系统压力降至系统的最大许用工作压力,而且这两个步骤的操作要紧密衔接。
allowable working pressure怎么读 allowable working pressure是什么意思