综述了石油钻杆接头失效的十一种主要形式.Eleven mare modes of tool joint failures are summarized.那个钻杆的丝扣坏了, 换另外一根.That pipe thread is bad. Use another one instead.本文还介绍了微型钻杆测试系统压力瞬时分析方法.A systematic pressure transient analysis method for min...
The article reviews the general characteristics of thrombin and its neurotoxic effects.文章就凝血酶的一般特性和其神经毒性作用作了综述.Objective : To evaluate the effect of thrombin in endothelial cell permeability.目的: 评价凝血酶对血管内皮细胞通透性的影响及其机制.A ...
He seemed to oscillate between very drunk and icy sober.他似乎是在酩酊大醉和完全清醒之间摆来摆去.The design of high - frequence oscillate circuit can improve the reliability ofcharacter ofoperation and easy maintenance.采用高频振荡原理设计振荡电路,提高了稳定性...
...a prolific crop of creamy gold coloured pods.结淡黄色豆荚的高产作物Dermatoglyph can reflect the prolific hereditary information, such as the body function, physical fitness, and intelligence.皮纹反映了人的身体机能 、 素质 、 智力等丰富的遗传信息.The laz...
In the pines squirrels commonly chew off and drop entire cones.松树上的松鼠通常咬掉和弄落整个球果.Green and luxuriant are the pines and cypresses.苍松翠柏郁郁葱葱.Here is a beech by the side of a hemlock, with three pines at hand.这儿有株山毛榉和一株铁杉长在一...
Chopsticks made of celluloid buckle easily in hot water.赛璐璐筷子在热水中容易弯曲.The earliest demonstration of a celluloid cinematograph film was given at Paris Auguste and Louis Lumiere.奥古斯特和路易斯·吕米埃在巴黎演示最早的电影片.King's works se...
把这件事告诉牛蛙 、 猎鸡鹰和斑鸠.Tell that to the bullfrog, chicken hawk or turtledove.一只斑鸠在电线上咕咕啼.One mourning dove coos up the power line.一只斑鸠呀, 飞过我们的花园,飞呀飞, 张着翅膀儿,颜色儿这么美呀美.Oh , a turtle - dove through our garden flew, spreading wide...