(IP (NP-SBJ (-NONE- *pro*))
(VP (VP (PP-TMP (P 在)
(LCP (IP (NP-SBJ (NN 铜液))
(VP (VV 冷缩)))
(LC 时)))
(VP (VV 可以)
(VP (ADVP (AD 紧密))
(VP (VV 结合)))))
(PU ，)
(CC 并)
(VP (VV 使)
(NP-OBJ (NN 外观))
(IP (NP-SBJ (-NONE- *PRO*))
(VP (VV 平整))))))
ARG0: 铜液
REL: 冷缩