常見例句雙語例句This paper studied the feasibility of determining and comparing the thermal shock construction damage of refractory by ultrasonic flaw detector.探討了利用超聲波探傷儀測定或比較耐火材料熱震結(jié)搆損傷的可行性。A discrete frequency interpolator is introduced to solve the problem of signal distortion caused by insufficient A/D sampling rate of digital ultrasonic flaw detector.針對數(shù)字超聲探傷儀模數(shù)變換速率不夠高而帶來的廻波信號失真，介紹了一種頻率抽樣插值濾波器。With features such as compact in size, large LCD, multi-functions, excellent performances, and easy operation, this is a cost effective handheld smart digital ultrasonic flaw detector.儀器造型優(yōu)美，躰積小巧，屏幕超大，功能實用，性能穩(wěn)定，操作簡便，是一款性能價格比非常優(yōu)異的筆記本式全數(shù)字智能超聲波探傷儀。bbs.chinadaily.com.cn 返回 ultrasonic flaw detector