1.
The sheet is cut into disks, and these are clamped together with lead washers in tetween.
再把这铜片切成圆片，夹在一起，中间垫进铅垫圈。
2.
Planer: Block of wood used as a pad for tapping lettepress type into place on the surface of the stone.
平版木:垫着敲打，推平装版台上的活版铅的木块。
3.
The Study of the Adding Story and Seismic Decrease Structures and the Reinforcement on the Old Stuctures;
采用铅芯橡胶垫加层减震及旧有房屋的加固研究
4.
Repaired and maintained plumbing by replacing defective washers, replacing or mending broken pipes, and opening clogged drains.
以换新水龙头、漏垫圈、新或修补破裂的水管、通堵塞的排水管等方法，来修理及维持铅管。
5.
galena [lead sulphide]
方铅矿〔铅硫化物〕
6.
cumulative advance
累计垫款,累积垫款
7.
or cushion, of low-pressure air,
低压空气垫或软垫，
8.
horse shoe washer
开口垫圈,马蹄形垫圈
9.
A decorative cushion.
垫子装饰精美的垫子
10.
mat (pad) typewriter of felt
毡衬垫（护垫）,打字机用
11.
foam rubber seat & back cushion
乳胶海绵座垫和靠背垫
12.
a firm cushion, mattress, sofa, etc
结实的坐垫、 床垫、 沙发等
13.
coco(a)nut matting
椰毛编织的垫子，棕垫
14.
A thick cushion used as a footstool or for kneeling.
跪垫，踏脚垫用来踏脚或跪着的厚垫子
15.
A long, narrow pillow or cushion.
长枕，垫枕，靠垫长而窄的枕头和软垫
16.
A small fabric pad used to handle hot cooking utensils.
防烫布垫用来端垫热炊具的小块织物垫
17.
Something, such as a stool, cushion, or board, on which to kneel.
跪垫下跪时垫在膝下的东西，如跪凳、跪垫或跪板
18.
Washers with ball face
GB/T849-1988球面垫圈