clamp反義詞

反義詞是unclamp，中文意思是vt. 鬆開……的夾鉗

Join， must both hands hold pipes and pipe fittings tight， keep enough cooling time， cool back hand can unclamp to certain extent， continue and install the next pipe.

連接完畢，必須雙手緊握管材和管件，保持足夠的冷卻時間，冷卻到一定程度後手方可鬆開，繼續安裝下一段管材。