单词	threaded valve stem
释义	threaded valve stem 螺栓阀杆
随便看	differential intermediate value theorem differential intrusion differential intrusive differential invariant differential investment differential ionization differential ionization chamber differential ion pump differential iron tester differential isoconversional non-linear method differential isotopic method Differential Item Functioning differential item functioningdif differential item functioning dif differential iterafive characteristics Differential iteration differentialization differentialize differentialized differentializes differentializing differential jack differential jet differential jurisdiction differential keying