DictionaryForumContacts

   Chinese
Terms for subject Mechanic engineering containing | all forms
ChineseEnglish
安全,在钻孔的同时,台虎钳和夹钳牢牢地固定住工件,防止材料不小心移位For safety reasons, vises and clamps securely hold the work piece as the hole is bored in order to prevent material from shifting unexpectedly
失去平衡be out of balance