堆: Ⅰ动词(堆积) pile up; heap up; stack 短语和例子把木柴堆在后院里 stack the firewood in the back yard; 大车上高高地堆满了水果和蔬菜。 the cart was piled high with fruit and vegetables. 谷仓里堆满了粮食。 the barn was heaped with gra
Fabrication and inspection method for high pressure urea equipment ultrasonic examination on the strip overlay welds of stainless steel 尿素高压设备制造检验方法.不锈钢带极自动堆焊层的超声检测