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pneumatic concrete placer 气压混凝土浇灌机
This paper points out the concrete place which is easy apperarance trouble in dumpping oilway of TATRA T815 track, details produced cause of trouble and puts up feasible reforming plan. 本文指出了太脱拉T815倾卸油路中容易出故障的部位，具体说明了出现故障的原因，并提出了切实可行的改造方案，较成功地避免了原设计中因制造工艺、材质和装配工艺的不足而造成的经济损失。
The first layer is to prepare the site for concrete placed under ground to secure the structure. 第一层为现场混凝土置于地面保障体制。
pneumatically operated concrete placer 气动混凝土灌注机
BLG series placing boom are new products that researched and developed to expand the concrete placing area, and to increase the mechanization level of pumping transferring in construction. 比利时系列将是繁荣的新产品，研究和制定扩大混凝土领域，并提高机械化水平转移的抽水施工中。
The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
We need a hoist to lift the concrete blocks. 我们需要一台起重机来吊起混凝土块。
The machine rests on a bed of concrete. 机器安装在混凝土基座上。
That new concrete building is an abomination. 那座新混凝土建筑是个讨厌的东西。
The road was paved with concrete. 路面由混凝土铺成。
Have you got any concrete proposals? 你有没有具体的建议呢?
The retiring miner delivered his pneumatic drill over to his successor. 这位即将退休的矿工把风钻移交给他的接班人。
The house is made of stone, not concrete. 那房子是石造的，不是混凝土造的。
Pneumatic signals will travel only at sonic speeds. 气动信号的传输速度仅仅相当于音速。
Tom tumbled over and hit his head on the concrete. 汤姆摔倒，头撞到水泥地。
When were pneumatic tyres invented? 充气轮胎是什么时间发明的?
The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
The front of the house was faced with concrete. 房屋正面涂著一层混凝土。
In the concrete, the theory is far from perfect. 实际上,这一理论远远不够完善。
These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。