1)test pieces,试验棒2)Rod drop test,落棒试验3)line bar test,线棒试验4)glow-bar test,热棒试验5)test bar,试验杆，试验棒6)notched-bar test,切口棒试验
用法例句
Different kinds of test pieces were used as heating surface to study the effect of different wall roughness and thermophysical properties of heating surface on pressure change and flashing pattern pattren.
