The outer parapet is crenelated with merlons almost 2 m high.外侧是几乎高出两米的齿装城墙.Over the parapet showed quaint and fanciful little buildings.栏杆里有一些古雅精致的小建筑物.They leaned over the low stone parapet and stared into the pool.他们伏...
A blackbird flew down and perched on the parapet outside his window.一只乌鸫飞下来，停在他窗外的矮墙上。They leaned over the low stone parapet and stared into the pool.他们伏在低矮的石墙上俯身凝视着游泳池.Over the parapet showed quaint and fanciful little ...
我公司用各种拉床生产齿轮内花键.We produce gear spline with various broachers.其中计算所得到的拉削力, 必须小于拉床的实际拉力.Which has been calculated Broaching, and must be less than the actual pull broaching machine.拉床还可以进步分为表面拉床 、 内拉床和通用拉床或组合拉床.Broaching ...