sieve-tube element 筛管分子
sieve tube element 筛管分子
continuous tube element 蛇形管元件
spacial tube element 空间管单元
tube element prefabrication 管节预制
shear wall tube element 剪力墙筒单元
vacuum tube solar heating element 真空管太阳能加热元件
The technical development in tube element prefabrication, tube element waterproofing, docks and foundation treatment are discussed in this paper.
沉管隧道工法为水下隧道建设的主要工法之一，其关键工序包括管节预制、浮运、沉放对接和基础处理等。
Remember, this code element follows the tube type code and the change code, which are always the first two codes in the code sequence.
请记住，这代码元素如下管类型代码和代码的变化，总是前两个代码中的顺序码。
Air source treatment unit, solenoid control element, actuation element and tube fitting.
气源处理元件、电磁控制元件、执行元件、管接头等。
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