小口径直缝焊接钢管
Small-sized straight welded pipe
T91小径钢管的焊接
Welding of T91 Small-bore Steel Pipes
不锈钢小径管
small-diameter stainless steel tube
小口径管
small-caliber tube
small diameter tube
pipeline of small diameter
大口径钢管
large diameter steel pipeline
Steel Pipe with Large Caliber
pipe
大口径钢管桩
big diameter steel pipe pile
薄壁小口径
thin-thickness small-diameter
超小口径卫星地面接收站
UAT:Ultra Aperture Terminal
高速小口径舰炮
high-speed small-calibre naval gun
甚小口径天线地球站
VSAT:Very Small Aperture Terminal
小管径螺旋埋弧焊管
Small-sized spiral submerged-arc welded pipe
小管径内螺纹铜管
smaller-diameter inner-grooved copper tube