单词	gas testing
释义	gas testing [油气] 试气
随便看	double-focusing mass spectrometer double-focusing mass spectroscope double focusing spectrometer double-focusing spectrometer double focus interference microscope double-focus interferometer double focus method double focus system double focus tube double-focus tube double focus x-ray tube double-focus X-ray tube doublefold double-fold disappearing stair double folded vernier double - fold eyelids double folding double folium double foolscap double footage double for double fore-and-aft planking double fork lever double form double formed crystal zxbd zxbl zxbs zxby zxcc zxcd zxcg zxch zxcs zxcy 嘴脏嘴脸嘴臊嘴臭嘴角嘴贫嘴软嘴边嘴里嘴钝