梯試驗 step-bar test piece: 梯表試片; 梯形試片step bar: 階梯試塊step-by-step test: 階段試驗; 逐步試驗step-ty-step test: 逐步試驗test step by step: 分步測試下載手機詞典可隨時隨地查詞查翻譯