Breather valve and flame arrestor are indispensable safety devices.可见呼吸阀、阻火器是储罐不要缺少的安全设施.So the railroad will buy the spark arrestor.所以铁路将购买阻火器.The railroad will realize that it can save this $ 100 cost by investing $ 50...
The way a good investor does really well is by engaging in successful futurology.优秀的投资者之所以能够成功是因为他们可以很好地预测未来。Bureaucrats , engaging in trade led to tradespeople's bureaucratization and further caused tradespeople�...
在第6.11节中节中,将讨论柱形空腔问题.In Section 6 . 11 the cylindrical cavity problem is discussed.两心房是由薄壁构成的空腔.Both atria are thinwalled muscular chambers.在很多发动机内, 恒温控制器装在进气岐管或排气岐管的空腔中.In many engines, the thermostat is located in a we...