请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。
Please unload a part of the weldless steel tubes in Hatch No. 3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.
无缝管线管主要是用于油井或气井的井口附近输送高压油、气的无焊缝钢管。
Seamless steel line pipe is a kind of steel pipe without seams, which is mainly used in the places near the mouth of oil well or gas well to transmit oil or gas with high pressure.
这种保温杯的结构采用自锁配连接方式，无焊缝，整体美观，手柄稳定牢固无晃动。
The structure of the vacuum cup adopts self-locking connection mode, thereby having no welding seam and overall aesthetic property; moreover, the handle is firmly arranged without sloshing.
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