ReadWriteQuiz
Chinese dictionary
n.(of an artillery piece or a big gun) bore
炮膛壁很脏。
Bore surface is so dirty.
炮膛清洗的新工艺
new technology of cleaning bore of cannon new arts
炮膛壁很脏。
Bore surface is so dirty.
炮膛清洗的新工艺
new technology of cleaning bore of cannon new arts