您要查找的是不是：
- 开open
- 开环open circular dna
- 环loop
- 开环放大broken-loop amplification
- 开环制open system
- 四开环pendant collet
- 开环DNAopen-circle DNA
- 开环酶ring-opening enzyme
- 开环剂ring opening agent
- 开环控制open-loop control
- 开环同步open loop synchronization
- 开环 dnaopen circular dna
- 开环固化curing reaction
- 开环特性open loop characteristic
- 开环浓导open-ring waveguide
- 电流开环electric current open-loop
- 手控开环manual control open loop
- 放水开环drain cock
- 在线开环on line open loop
- 开环辨识open-loop identification
