High light efficency , concentrated light, no additional ballast, which can take place of incandesce lamp, reducing investment fees. 特点:发光效率高,光线集中, 不需要附加镇流器, 可直接与白炽灯互换使用, 减少投资费用.
He had wrenched his ankle badly from the force of the fall.他因摔倒而严重扭伤了脚踝。His teeth clicked as he snapped at my ankle.它猛地朝我的脚脖子咬下去，牙齿还咔咔直响。Her ankle caught on a root, and she almost lost her balance.她的脚踝被树根绊了一下，差点摔倒。...
And while she closed with a happy Scriptural flourish , he " hooked " a doughnut.在她背了《圣经》中的一句妙语格言作结束语时, 汤姆 顺手牵羊 偷了一块油炸面圈.Keep the soil moist. That way, the seedling will flourish.保持土壤湿润，那样幼苗就能茁壮成长。Keep the soil moist. Th...
The patient convalesced nicely.患者顺利地康复了.After two weeks, I was allowed home, where I convalesced for three months.两周之后，我获准回家，休养了3个月之后逐渐康复。After his operation, Henry convalesced in Milan with Catherine Barkley as his atte...
The dress exaggerates her wasp waist and enlarges her bosom.那件连衣裙凸显了她的蜂腰，也让她的胸部看起来更丰满。One of them unwound a length of rope from around his waist.其中一人把绑在腰间的一条绳子解下来。She had made Helen a dress which showed off her tiny wais...
Obique bridge is made up of main girder crossbeam and bridge floorings.斜交桥由相互斜交的主梁、梁及桥面板组成,结构受力复杂.Compatibility will require that the girder deflection at B be zero.根据协调性的要求,梁在B点的挠度应为零.The cross girder center segments of...