| 1. | The bimetal strip is usually bent into a coil . 双金属片通常都卷成螺管形。 |
| 2. | The turboprop engine is very much like the turbojet . 涡轮螺桨发动机与涡轮发动机十分相似。 |
| 3. | A mule is a hybrid . 螺子是一种杂种动物。 |
| 4. | Compressor may be reciprocating positive displacement or centrifugal . 压缩机可以是活塞式、螺杆式或离心式。 |
| 5. | The turbojet and the turboprop are much more satisfactory for airplanes . 涡轮喷气发动机和涡轮螺桨发动机更适用于飞机。 |
| 6. | Other spiroplasmas have been isolated and cultured on cell-free media . 其它螺原体已被分离出来,并在无细胞的培养上培养。 |
| 7. | The micromotion drive unit is a highly refined screw-driven hydraulic jack . 微形传动装置是一个极精制的螺杆用液压作动筒。 |
| 8. | Molluscicides are quickly inactivated by sunlight and adsorption to mud organic matter . 灭螺剂因阳光作用、泥土及有机物质的吸收会很快失效。 |
| 9. | These organisms penetrate into snails, multiply, and develop into cercariae, the infective form for man . 这些毛蚴进体螺体,繁殖和发育对人类有传染性的尾蚴。 |
| 10. | The turboprop engine is very much like the turbojet. it has an additional part, a propeller . 涡轮螺桨发动机与涡轮喷气发动机十分相似。它多了一个螺旋桨部件。 |