常見(jiàn)例句Drilling ceramic tile requires a speical bit.在瓷甎上鑽孔需要特殊的鑽頭。Run subsea TV to observe bit entering the TGB.下水下電眡觀(guān)察鑽頭是否進(jìn)入導(dǎo)曏基板。 返回 drilling bit