金属导管严禁对口熔焊连接。
金属导管严禁对口熔焊连接，镀锌或壁厚小于等于2毫米钢导管不得套管连接；
Butt fusion connection is banned for metallic conduit, and bush connection is banned for galvanized steel conduit, or steel conduit with wall thickness of 2 mm and below;
用一根长10cm~20cm不等的金属或橡胶质地导管穿过腹壁直插胆囊。
Workers use a 10cm to 20 cm catheter made of metal or rubber to pierce through abdominal wall into the gallbladder, making the bile streaming through the catheter into the container.
既然铁氟龙以及聚乙烯之导管内径比金属导体的外径大出许多，因此金属导体仅接触到单一的导管，导体几乎受到空气完美隔离。
Since the inner diameter of the Teflon and PE tubes is much larger than the outer diameter of the metal conductor, the metal only touches the tubes in a single line.
本实用新型由螺母卡套(1)，空心导管(2)，金属箍(3)，销钉(4)，手柄(5)组成。
The utility model comprises a nut cutting sleeve (1), a hollow guide tube (2), a metal ferrule (3), a pin (4) and a handgrip (5).
金属线导管的末端不能和压舱物联结，因为压舱物要被塞紧和上蜡或者其它的方式去防止水的进入。
The end of the wireway not connected to the ballast is to be plugged and waxed or otherwise treated to prevent the entrance of water.
比较了玻璃介质和不同材料的金属圆柱波导管亚毫米波和短毫米波的传输特性。
A new way to build a metal hollow cylindrical waveguide for sub-mm and mm waves is given by coating gold on the inner-wall of the glass tube.
比较了玻璃介质和不同材料的金属圆柱波导管亚毫米波和短毫米波的传输特性。
A new way to build a metal hollow cylindrical waveguide for sub-mm and mm waves is given by coating gold on the inner-wall of the glass tube.
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