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...
语言是人类所特有的.Language is peculiar to mankind.语言是人类所特有的。Language is proper to mankind.欢喜唠唠叨叨、夸张本地优点的脾气是西部特有的.The tendency to expatiate and make much of local advantages was Western....
Results; NF protein in the hippocampus only labeled some neurons.结果: 在海马结构内并不是所有的神经元均可被神经丝蛋白所标记.Northernblot analysis showed that SPARC mRNA was upregulated in a transient manner in thedeafferented mouse hippocampus.Nort...
英语规定形容词通常放在其修饰的名词前:我们说agoodcry,不说acrygood。It is a rule of English that adjectives generally precede the noun they modify: we say "a good cry", not "a cry good".他看到这副加意修饰的外表就会感到身心愉快.The carefully cultivated appearance wou...
真不凑巧! 他出去了.What bad luck! He's not at home.不凑巧, 我把那本笔记本放在家里了.As it happens, I have left the note book at home.不凑巧,那晚偏下雨.By ill luck it was a rainy evening....