走zou進jin孫sun家jia集ji街jie道dao辦ban潘pan家jia村cun潘pan子zi亮liang的de苦ku瓜gua棚peng中zhong，看kan到dao差cha不bu多duo的de苦ku瓜gua上shang都dou吊diao著zhe一yi塊kuai小xiao石shi頭tou。采cai用yong這zhe種zhong方fang法fa，是shi利li用yong了le地di心xin垂chui直zhi引yin力li的de作zuo用yong原yuan理li，方fang法fa簡jian單dan，行xing之zhi有you效xiao。