Objective To study and shear bond strength of resin - reinforced glass ionomer cement ( RGIC ) on orthodontic brackets.目的探讨两种树脂加强型玻璃离子水门汀对托槽粘结强度的影响.Objective: To apply the theoretical basis of argent - glass ionomer ceme...
一名男青年从陡峭的岩壁上坠崖身亡。A young man plunged from a sheer rock face to his death.一位被警察拦下的摩洛哥青年拒绝出示他的证件。A young Moroccan stopped by police refused to show his papers.他们被指控组织并资助地下青年运动。They are accused of organising and financing a...
There were cisterns to catch rainwater as it ran off the castle walls.雨水顺着城堡的墙壁流下时会流入蓄水池。Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.And voi...
The book explores contrasting views of the poet's early work.此书探讨了人们对这位诗人早期作品截然不同的观点。Miss Ley was surprised at the girl's expansiveness, contrasting with her old reserve.使莱伊小姐还感到惊异的是,这姑娘以前是沉默寡言的,而现在却滔滔不绝.Paint ...