----prompts for Trim Cross
1st object to trim
第一個欲修剪的物體 
2nd object to trim
第二個欲修剪的物體 
3rd object to trim
第三個欲修剪的物體 
4th object to trim
第四個欲修剪的物體 
(pick at intersection):
(點選其交叉處): 
----prompts for Trim T
Select cutting edge (pick at intersection):
選取切割邊緣 (點選其交叉處): 
1st object to trim:
第一個欲修剪的物體: 
2nd object to trim:
第二個欲修剪的物體: 
----prompts for Extend T
Select boundary edge (pick at intersection while extending PLINE or ARC):
選取邊界物體 (延伸聚合線或弧線時應點選其將會交接之處): 
1st object to extend:
第一個欲延伸的物體: 
2nd object to extend:
第二個欲延伸的物體: 
