进展很顺利，没想到遇到了这样一个顶门杠。
This project developed smoothly before, but then an obstacle unexpectedly presented itself.
顶门中装有电热元件，面包桶上下都受热，从而使面包烤色均匀。
The top door is provided with an electric heating element, all positions of the bread barrel are heated, and thus, the baking color of the bread is even.
摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。
Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.
该液压系统采用特殊同心双缸来升降风洞顶门，并采用同步技术和液压锁闭技术来实现风洞顶门的升降。
The system makes use of the special concentric dual cylinder to lift and drop the wind tunnel door with the aid of synchronization and hydraulic locking technologies.
建筑中央的人字形屋顶门廊目前配置了大玻璃推拉门，通过玻璃门可以直接看到从庭院到建筑后方的景色。
The hipped gable porches at the centre of the building now accommodate large glazed sliding doors that provide a view straight through from the entrance courtyard to the fields at the rear.
建筑中央的人字形屋顶门廊目前配置了大玻璃推拉门，通过玻璃门可以直接看到从庭院到建筑后方的景色。
The hipped gable porches at the centre of the building now accommodate large glazed sliding doors that provide a view straight through from the entrance courtyard to the fields at the rear.
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