Between each knot of machine barrel, and between machine barrels and bushes is favorable exchangeability.每节机筒间 、 机筒与衬套间具有良好的互换性.H 7 series is of wide application, good exchangeability and easy replacement by using non - ...
它为制取1.6-二羰基产物开辟了广阔天地.This opens up a wide field of 1.6 - dicarbonyl products.这些部位包括羧基 、 羰基 、 环氧基和氨基等.These sites include, carboxyl, epoxy, amino and the like.对羰基的加成作用是有机化学中最重要的反应之一.Addition to carbonyls is one of the mos...
He asked for ice for his whiskey and proceeded to get contentedly drunk.他要求在威士忌里加冰，接着心满意足地喝了个酩酊大醉。When he listened to Yvonne, he could coast contentedly.在听伊冯唠叨时, 他可以不费心思地随波逐流.The Joint Chiefs seemed to be going contented...