双中英惯用短语:
| - 双体驳 catamaran barge
- 双作用千斤顶 double-acting jack
- 双作用式压缩机 double-acting compressor
- 双作用式发动机 double-acting engine
- 双作用式活塞泵 double-acting piston pump
- 双作用手摇泵 double-acting hand force pump
- 双作用无杆气动泵 dual-acting rodless gas-actuated pump
- 双作用汽缸 double-acting cylinder
- 双作用泵 double-acting pump
- 双作用液压机 double-action hydraulic press
- 双作用蒸汽往复泵 duplex acting steam-driven reciprocating pump
- 双作用调节器 double-duty regulator
- 双侧倾卸, 两面倾卸 double-side tipping
- 双侧向测井仪 dual laterolog equipment
- 双侧板式雪犁 double-check snow plough
- 双侧次全甲状腺切除术 Bilateral subtotal thyroidectomy
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