1.
A metal pipe or tube used as a lining for a water, oil, or gas well.
金属套筒用作水井、油井或气井套筒的一根金属管子
2.
The air is trapped beneath by a metal lining round the lower sides of the craft.
空气被圈在一个在气垫船底部的金属套筒内。
3.
Sleeve 1;Sleeve 2;Screwed sleeve 1;Screwed sleeve 2
套筒 1;套筒 2;螺纹套筒 1;螺纹套筒 2
4.
Sleeve 1;Sleeve 2;Sleeve 3;Screwed sleeve 1;Screwed sleeve 2
套筒 1;套筒 2;套筒 3;旋拧套筒 1;旋拧套筒 2
5.
Tighten needle bar connection screw 2 in needle bar connection 3 so that the marker line of the needle bar aligns with the bottom end of needle bar lower bushing 1 at the lowest position of the needle bar.
在针杆最下点，让针杆下金属部件1对准针杆的刻线，然后拧紧针杆套筒3紧固螺丝2。
6.
Metal sleeves fastened around their stems.
金属套简包着树干。
7.
a metal cable inside a plastic sleeve
套着塑料管的金属电缆.
8.
smiths' full of base metal
铁匠用套锤,贱金属制
9.
usually made of metal, for gunpowder of blasting powder.
用金属制成的用来放火药的筒。
10.
Such a projectile in a metal casing;a cartridge.
弹药（筒）装在金属盒中的射弹。弹药
11.
drum ,rotating, for descaling, desanding or packing of goods
金属物品除垢、除砂或抛光转筒
12.
The storage of lead oxide can be done in individual metal drums.
铅氧粉可以放在单独的金属筒内储存。
13.
bar tubing shapes and pipe benders
金属筒材、型材和管材用折弯机
14.
A bushing or similar lining for a bearing, made from a copper alloy.
铜套或铜衬垫用铜合金制的轴承轴瓦或套筒式衬垫
15.
"cartridge:a cylindrical, usually metal casing containing the primer and charge of ammunition for firearms."
弹药筒:一种盛装火器的雷管和弹药的圆柱形金属筒。
16.
A cylindrical, usually metal casing containing the primer and charge of ammunition for firearms.
弹药筒一种盛装火器的雷管和弹药的圆柱形金属筒
17.
To give a glossy finish to(paper)by pressing between metal sheets or rollers.
电镀通过金属板或滚筒之间的挤压给（纸）抛光
18.
cylinder for calendering or rolling machines (excl. metal- or glass-working machines)
砑光机或滚压机（金属或玻璃加工机除外）圆筒