您要查找的是不是：
- (=specific gravity) 比重 spec.gr.
- gravity model method (电子运动) 重力模型法
- gravity railroad (下坡重车带动上坡空车) 重力缆车道
- BED课程 BED course
- 管子工是安装和修理水管的人。 A plumber is a person who fits and mends the plumbing.
- 关于MIN－MAX－GRAVITY方法重心的简易求法 Simple Method of Finding Centre of Gravity in Min-max-gravity Method
- BED-CEIA方法 BED-CEIA method
- 她成了该厂最好的缝纫工。 She became the best sewer in the factory.
- BED-酶联方法 BED-capture enzyme immunoassay
- 厨工 kitchen worker; kitchen hands
- BED捕获酶联免疫 BED- CEIA
- 运输工 haulageman
- [+bed etc] 蹦跳上 to bounce on
- 他是个见习机械工。 He was a mechanic who was on probation.
- bed in (地坑造型) 卧模
- 这位印刷工把这额外的一页加在这里。 The printer can set this additional page in here.
- spring bed (剪毛机的) 弹性托板
- 身材矮胖的管子工 a stockily built plumber
- topset bed (三角洲的) 顶积层
- 砌砖工 brickmason
