戳穿试验 chuō chuān shì yàn

DEFINITIONS

  1. puncture test

CHARACTERS

戳 chuō prick, stab; stamp, seal, chop
穿 chuān
HSK 2
penetrate, pierce, drill; wear
试 shì
HSK 2
test, try, experiment
验 yàn
HSK 4
test, examine, inspect; verify