(NP-SBJ (-NONE- *pro*)) (VP (VP (PP-DIR (P 对) (NP (NN 潜水艇))) (VP (VV 做) (NP-OBJ (QP (CD 一) (CLP (M 番))) (NP (NN 检查))))) (PU ,) (VP (ADVP (AD 然后)) (VP (VP (PP-LOC (P 在) (LCP (NP (NN 船壳)) (LC 上))) (VP (VV 钻洞)))
ARG0: *pro*
ARGM-TMP: 然后
ARG1: 在 船壳 上
REL: 钻洞