根据资金习性分项预测法,下列选项一般随着销售额而变动的有() 现金。 存货。 应收帐款。 固定资产。
A survey of refrigerated cargo,to certify that proper methods of stowage were utilized,can be conducted by the(). CCS。 Occupational Safety and Health Administration。 MSA OF CHINA。 CCIC。
如果压力容器的选材不当,即使容器具有足够的壁厚,也可能在使用条件下,或者由于材料韧性()而发生脆性破裂,或者由于工作介质对材料的腐蚀而发生()。 降低;脆性破裂。 上升;脆性破裂。 降低;腐蚀破裂。 上升;腐蚀破裂。
简述白头白嘴病的流行情况。
The main function of tie rods in the construction of large, low speed diesel engines is to(). stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength。 accept most of the tensile loading that results from the firing forces developed during operation。 mount the engine frame securely to the hull to prevent shaft coupling misalignment。 connect the crosshead solidly to the piston rod。
在细胞生长过程中可以向胞外分泌可溶性色素的微生物是()