Seamless pipe production process, there are two: Cross - rolling method ( Meng Mannesmann France ) and the extrusion method.无缝管的生产工艺有两种: 斜轧法 ( 孟内斯曼法 ) 和挤压法....
失业率上升，相对应的是生产率进一步提高。The obverse of rising unemployment is continued gains in productivity.工资的涨幅高过了生产率增长的速度，从而消耗了利润所得。Wages were rising faster than productivity and this was eating into profits.第三季度的结果表明生产率持续上升。The third-...
房间仍然很简朴，四面都是饰有圆点的绿色空墙。The room remains simple with bare, stippled green walls.他穿着简朴，过着平静的家庭生活。He dressed simply and led a quiet family life.费莉西蒂的卧室很简朴，但非常实用。Felicity's bedroom was spartan but functional....