Gas cylinders . refillable seamless steel tubes for compressed gas transport , of water capacity between 150 l and 3 000 l . design construction and testing 气瓶.水容量在150l和3000l之间的压缩气体传输用可再填充的无缝钢管.设计结构和试验
Lpg equipment and accessories - transportable refillable composite cylinders for liquefied petroleum gas - procedure for checking before , during and after filling ; german version en 14763 : 2005 Lpg设备和附件.液化石油气用可移动可再填充复合气瓶
Transportable gas cylinders - specification for the design and construction of refillable transportable seamless aluminium and aluminium alloy gas cylinders of capacity from 0 , 5 l up to 150 l 可运输的储气瓶.容量从0 . 5升至150升的铝和铝合金制可再填充的可运输无缝气瓶的设计和建造规范
Because hibernate doesn t know what specific class you re after , it has to read every column including the discriminator column , then determine which class to instantiate and , finally , populate it 因为hibernate不知道您要查询哪个特定的类，所以必须读取每个列（包括discriminator类） ，然后才能决定要初始化哪个类，最后再填充它。
Transportables gas cylinders . specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacities from 0 , 5 l up to and including 150 l . part 1 : cylinders made of seamless steel with an rm value of less than 1000 mpa 可运输气瓶.从0 , 5l到150l水容量的可再填充的可运输式无缝气瓶的设计和结构规范.第1部分: rm值1000pma以下的无缝钢制气瓶
