怎样判断修饰词? this specification defines minimum workmanship requirements for welding of miscellaneous equipment, vessel internals and steel structures of packaged units and shall apply when included in a request for quotaion, purchaser order or shown on the equipment specification sheets. it shall not be used for primary process equipment or equipment subject to any pressure vessel code. 红色句为本规范之内容,蓝色句为本规范之适用条件 “ 当询价书、采购单或设备规格表中要求采用本规范时,则本规范适用”,黑色句为本规范不适用之情况。 [ ]查看更多
关于Aspen自带的换热器模型? aspen自带一个htrixist的换热器模型,应该如何用呢?它要用的模型是要ist后缀的,我电脑上也没有,也不知道怎么生成。是不是htrixist就是咱们常说的htri软件呢?也就是说可以用htri软件生成文件,然后再到aspen plus 中用htrixist打开呢?求指点!谢谢!查看更多