The supporting and back structures are important temporary structures in jacking construction of bridges and culverts, and are of great importance in ensuring smooth construction and guaranteeing the time limit for a project.
支护和后背是桥涵顶进施工中重要的临时结构,对施工顺利与否、保证工期起着关键的作用。
The experimental results indicated that,under the windward and leeward conditions,the cooling effect of crushed rock revetments with all these four grain-diameters was good and could effectively reduce the temperatures of the underlying soil layers;furthermore,the mean pe.
结果表明:迎风与背风两种条件下,4种粒径块、碎石护坡均具有较好的降温效果,均可在第2个试验周期将其下部土坡表面平均温度迅速降至0℃以下,有效地对其下部土体进行降温。
carrying something in a pack on the back.
在后背上用包来装某。
black oil slicker cloth hat with wide brim on back covering neck
阔边后背遮颈黑油布帽
The feet crushed her back.
人们的脚蹬着她的后背。
He clapped his friend on the back.
他拍了拍他朋友的后背。
She is troubled by the pains in the Back and shoulders.
她的后背和肩膀都痛。
My back trouble has flared up again.
我的后背又疼起来了.
I have got a cramp in my Back.
我后背的肌肉痉挛了
under cover of some remote pew-back,
掩饰在后面的座位背后。
The back or rear part.
背面后面或后方的部分
rip up the back
[美俚]背后说坏话，背后攻击
responsible criticism in private
不负责任的背后批评
He is a good friend that speaks well of us behind our Backs
背后说好话,才是真朋友
staB in the Back
暗箭伤人，背后中伤
staB sB. in the Back
背后暗害[中伤，伤害]某人
reneged on the contract at the last minute.
在最后时刻违背合约
make sure you sign the Declaration on the back...
记住在报单的背后签名。
The figures be set out in the table at the back of the book .
数字写在背后的表中。
directed or facing toward the back or rear.
朝向或者面对后面、背面。