这石斧是古代的遗物.This stone axe is a relic of ancient times.农夫们偶尔能犁出古老的印第安人遗物.Farmers occasionally plough up old Indian relics.这种古玩被认为是11世纪的遗物.The antique is assigned to the eleventh Century....
Use reducer special for plastic extruder with alloy hard - toothed surface.采用合金硬齿面塑料挤出机专用减速机.Our main products: reducer , gear motor, bevel gear, worm - gear motor, cycloidal reducer and variator.公司主要产品有: 齿轮减速机; 蜗轮蜗杆减速机;...
Four different components make up the construct of communicative competence.四个不同部分构成沟通能力的概念.Language competence is not equal to communicative competence.语言能力并不等于交际能力.Excellent team collaboration ability and communicative...