lacuna造句
Reasons of forming first cracks were foundry
lacuna, impurity gathering , lard exiting.
铸造缺陷 、 杂质元素偏聚和夹杂物的存在是形成早期裂纹源的原因.
There was so much very deep
lacuna in his crude big hands.
粗糙的大手上一道道很深的裂口.
Objective To investigate the clinical value of transcranial Doppler ( TCD ) in cerebral
lacuna infarct.
目的探讨经颅多普勒 ( TCD ) 检查在脑腔隙性梗死中的应用价值.