1)pull-back回拖
1.Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.在水平定向钻穿越管道回拖环节中,容易出现卡管现象,导致穿越失败,造成巨大的经济损失。
英文短句/例句
1.Then I let it sink and began to drag it slowly back and forth.接着我将它沉入水中，开始缓慢地来回拖动。
2.It is dilatory of you not to answer to me. = You are dilatory not to answer to me.你真会拖,都没回我的信。
3.You are more dilatory than I (am) in answering letters.你回信比我更会拖。
4.drag oneself along, home拖着疲乏的身子前行、 回家.
5.Feliks made no reply and the drunk shuffled off.费利克斯没有回答，醉汉拖着脚步走了。
6.trailer type sliding vane rotary air compressor拖车式滑片回转空气压缩机
7.If he falls into arrears, his furniture will be repossessed他如拖延欠款，家具将被收回。
8.You put me on the spot, I have to cook up a story this time.你把我拖下水，这回我要找借口了。
9.He stumped back into the house.他拖着沉重的步子回到家里。
10.Now, get over there and drag those morons back here!现在，去那里把那些智障拖回来吧！
11.We have just skidded off runway and can't seem to get back on the runway( paving), left gear appears to be stuck in the mud, can you send a tug around?刚才我们滑出跑道，看来不能回到跑道道面上，左轮好象已经陷入了泥坑，请你派个拖车拖回道面。
12.Tie your car to ours and we'll tow you home.把你的车接在我们车后，我们把你拖回家。
13.I rescued the remains of my slipper from the dog.我从那狗的口中夺回了我拖鞋的残留部分.
14.I rescue the remains of my slipper from the dog我从那狗的口中夺回了我拖鞋的残留部分
15.a recovery vehicle,ie one for taking broken-down cars,etc to a garage维修拖车（把毁坏的汽车等拉回修理厂的车）.
16.I can't refuse much longer and I'm afraid they will make me marry him this time.我不能再拖延了，我担心他们这回逼我成亲了。
17.Drag onto the page. Right-click to choose reservoir or return options.拖到绘图页上。右击可选择容器或回流选件。
18.INJURY DONE TO JUVENILE FISH BY THE METHOD TO ENHANCE PENAEUS CHINENSIS THROUGH RECAPTURE WITH BOTTOM TRAWL底拖网回捕增殖对虾对经济幼鱼的损害
相关短句/例句
trailing echoes拖尾回波
1.Based on the analysis of the experiment results via variable diameter buffer rod,it can be seen that,the variable diameter buffer rod can restrain the trailing echoes in some extent.首先,对圆柱杆中导波的传播和频散特性进行了分析;然后,通过实验,对利用超声缓冲杆获取物料特征信号的可行性进行了验证;最后,文中通过变直径缓冲杆的实验分析发现,变直径缓冲杆可以在一定程度上抑制拖尾回波的出现,同时,在缓冲杆外部增加包覆层也会对特征信号的信噪比产生一定的影响。
3)back dragging force回拖拉力
1.Calculation of back dragging force of horizontal directional drilling machine;应用水平定向钻安装管道时回拖拉力的计算方法
4)borehole enlargement by drawing back回拖扩孔
5)pull-back force回拖力
1.Because of the complicated operation conditions, the pull-back force of pipeline crossing by horizontal directional drilling depends on the combined actions of various factors.因为实际工况比较复杂,水平定向钻穿越的回拖力是各种因素共同作用的结果,所以,很难建立起与实际工况非常吻合的、具有普遍适用性的力学模型。
6)pipeline back-dragging管道回拖
1.Computer simulation can overcome many difficulties such as the lack of ground and money,too many parameters,and time span when simulating the pipeline back-dragging in directional drilling with ANSYS and APDL.采用ANSYS并结合APDL语言对定向钻的管道回拖过程进行仿真,对回拖管道的应力和变形以及回拖力进行了分析,得出了管道应力沿中性轴径向对称分布,且距离中性轴越远值越大的规律。
延伸阅读
拖后腿1.比喻牵制﹑阻挠别人或事物使不得前进。
