v打头的短语
varieties of 各种各样的;
various of 各种各样的;
vote against 投票反对某人;
vote for 投票选举某人;
voting rights bill 选举权法案
value oneself on自夸;
vote down否决;
vote in选出/选举;
vote through表决通过/投票同意;
vacuum steel 真空钢;
vacuum-treated steel 真空处理钢;
valve steel 阀门钢;
vanadium stainless steel 钒不锈钢;
vanadium steel 钒钢;
vibratory steel roller 震动钢路磙