If you told a construction engineer that it was a waste of time for him to use blueprints and to go start banging on metal instead, he'd think you were nuts.
如果你告诉一个建筑工程师使用蓝图对于他来说是浪费时间的，相反应该从金属材料开始工作的话，他将认为你在胡说。
And it's possible they were cooking up nuts, using a wide range of nuts - including acorns - that you need to cook and boil for a long time before you can actually eat them. '.
也有可能是在炖坚果，像橡子之类的，那种东西可真是要熬很久时间可以吃。
The stainless steel cap nuts on shell of the hoist protect the screw from various injuries of exposed outdoor for long time and severe chemical environment.
整机外壳采用不锈钢盖型螺母，更有效保护螺丝长时间户外及化工的恶略环境不受损伤，使拆卸维护更加方便。
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