glif计算出现问题？ 这个应该跟计算文件名字没什么关系吧，文件名字通常来说就是简单的英文，数字或组合就行了。我手上的是“gl ... 朋友好，有一个问题想请教：his piping structure contains 0 cold springs, 2 anchors, 2 threeways and 30 pipe elements there are 2 rigid elements and 6 bend elements in this elements 我的图中只有1个三通，2个阀门，1个大小头，6个弯头，但是这个上面好像有2个三通；2个固定支点指的是2个弹簧支架吗，2个刚性件指的是阀门吗查看更多
工程师考级的英语是什么水平，很难吗? 【分享】伊索寓言:铁匠与小狗 the brazier and his dog a brazier had a little dog, which was a great favorite with his master, and his constant companion. while he hammered away at his metals the dog slept; but when, on the other hand, he went to dinner and began to eat, the dog woke up and wagged his tail, as if he would ask for a share of his meal. his master one day, pretending to be angry and shaking his stick at him, said, "you wretched little sluggard! what shall i do to you? while i am hammering on the anvil, you sleep on the mat; and when i begin to eat after my toil, you wake up and wag your tail for food. do you not know that labor is the source of every blessing, and that none but those who work are entitled to eat?' 铁匠与小狗 铁匠家有一条狗，他打铁时，狗就睡觉，吃饭时狗便立刻跑到铁匠的身旁摇头摆尾，讨好主人。铁匠扔给狗一块骨头，并说道：「你这傢伙，总是贪睡。为甚么那沉重的打铁声丝毫没影响你的睡眠，而我们吃饭时轻微的响动声却使你惊醒？」 这个故事带出的启示就是：那些唯利是图的人，对於自己有利的事专心致志，对自己无利的事则不闻不问。 查看更多
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