you can gzip or bzip the file and phpMyAdmin will decompress and run the script.
otherwise what I've had to do in the past is split my SQL into a number of files and load each one individually. You can do this simply by opening the SQL file in a text editor, scroll to about half way down, find the start of a statement and move everything after that into another file.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…