bǐduān
бидуань
би3 дуань1
http://www.chinese-russian.com/zd/ci/112143
bìduān
би4 дуань1
http://www.chinese-russian.com/zd/ci/87171
bìduǎn
би4 дуань3
http://www.chinese-russian.com/zd/ci/147629
bìduàn
би4 дуань4
http://www.chinese-russian.com/zd/ci/126159