This electric drill is a indispensability special equipment at rag trade.该电锁是服装工业不可缺少的专用设备之一.Body and mental state are two aspects of body indispensability, they are mutually to contact interaction.身体与心理是人体不可缺少的两个方面, 他们是...
运河可以通航了。The canal is open to shipping.这两个城市间已有轮船通航.Steam navigation has been opened up between the two cities.这些新工厂大多都座落在通航河流的沿岸.Many of these new plants were located on navigable rivers....
Many operations, however, masquerade as Undo - proof , but they are really easily reversible.然而很多操作伪装成 防 撤销的, 但其实很容易恢复.The problem is whether the chemical reaction is reversible.问题就在于该化学反应是否可逆.Heart disease is reversible...