单词	sunken obstruction
释义	sunken obstruction 沈船障碍
随便看	critical moisture content of grain drying critical moisture point critical molar volume critical molecular weight critical moment critical momentum critical-moral critical mountain height critical multiplism critical nature criticalness criticalnesses critical net positive suction head critical night length critical node critical normal stress critical NPSH critical nucleus size critical nuclide critical number critical number of revolution critical number teeth for no undercutting criticalnumber tooth for no undercutting critical numerical value critical occupational specialty qsaw qsax qsba qsbc qsbh qsbj qsbl qsbm qsbs qsbt 是味儿是幸是感是故是是非非是样儿是正是的是盼是福不是祸