单词	heel boom
释义	heel boom 底脚吊杆
随便看	chaining channel chaining channel action chaining check chaining command chaining command file chaining common variables chaining core block chaining downhill chaining equivalence variables chaining error chaining field chaining file chaining forward chaining input chaining method chaining of back ward reasoning chaining of commands chaining of data chaining of forward reasoning chaining of I/Ocommands chaining of I/O commands chaining of responses chaining of rules chaining output chaining overflow