[计] indirectly-connected interrupt level
jiàn jiē lián jiē zhōng duàn jí ㄐㄧㄢˋ ㄐㄧㄝ ㄌㄧㄢˊ ㄐㄧㄝ ㄓㄨㄥ ㄉㄨㄢˋ ㄐㄧˊ