Many people go to a metal detection research department, tested the watch shell plating thickness, the equipment they use a strong radiation experiment was completed, remove the case again, bad!
曾经有人去一家金属研究检测部门,做过手表壳的镀金厚度检测,他们用的那个设备有强烈的射线,实验刚结束,取出表壳再一看,坏了!
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验,以确保管接头及管不泄漏。
The Olympic Stadium is now starting to take shape, with the outer shell that will support the fabric roof and upper tier of seats already completed.
奥运会主场馆已具雏形,支撑纤维结构屋顶的外壳和上层座椅已经完工。
The Olympic Stadium is now starting to take shape, with the outer shell that will support the fabric roof and upper tier of seats already completed.
奥运会主场馆已具雏形,支撑纤维结构屋顶的外壳和上层座椅已经完工。
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