[经] contractor's all risks insurance

jiàn zhù gōng chéng yī qiè xiǎn ㄐㄧㄢˋ ㄓㄨˋ ㄍㄨㄥ ㄔㄥˊ ㄧ ㄑㄧㄝˋ ㄒㄧㄢˇ