The waiters'manners are always so smarmy.那些服务员总是点头哈腰的.Poor service affected the waiters'pocketbook.差劲的服务影响了侍者的收入.Do you really think it's customary to tip the waiters?...你真的认为给侍者小费是约定俗成的吗？It is usual to ti...
文章介绍了一种新型的前桥锁销孔加工的工艺方法.The article introduces a new type of axle lockpin hole machining tool.耐久性: 锁销式前保险杠(备选件).DURABILITY. Optional bolt - on front bumper....
Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.这些峰分别相当于乙基和丙基的侧链开裂.In benzene or ethyl a...