Latitudes are the lines that go from east to west.纬线是从东到西的线.But the midrange latitudes in the Northern Hemisphere do experience a change.但北半球的中维度地区不会体验到什么变化.Both Perseus and Cassiopeia are considered circumpolar from nor...
Latitudes are the lines that go from east to west.纬线是从东到西的线.In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.在过去二三十年里，中高纬度地区的降雨量持续增加。It was the brief Indian Summer of the high latitud...
起出通井管柱,检查通井规擦痕.Pull out the drifting string and check the gauge for scratch.但下放前要通井,不易过快,下放到预定位置时必须有一套管接箍缝,具承上压能力小.When the bridge plug comes to desired position, there must be a casing coupling seam.广泛应用于油田用修井机 、 通井机及其它...
She latched on to his arm, hooking her other arm around a tree.她拽住他的胳膊不放，另一只胳膊抱紧一棵树。Gel formation requires hooking various chains together.凝胶的形成需要把不同的链钩链在一起.Companies send him all over the world hooking up these complex ...
the bottomless pit of his sorrow他无尽的悲哀He who can suppress a moment's anger may prevent a day of sorrow.能忍一时气，可免一日优。She was portioned with sorrow throughout her life.她命中注定一辈子受苦。I had dared and baffled his fury; I mus...