open hook chain  开口钩链

open from Source Control Open  事件

Single open-ended and double open-ended coaxial  单开端和双开端同轴型

clasp hook [= clip hook  夹钩; 对扣钩

hook and hook turnbuckle  双钩伸缩螺丝

Switchover between one hook and two hook operation  单/双钩转换使用

open window theory  最大容量

(open hole) caliper  井径仪

2-D open channel  二维明渠

3-aminopropyltriethoxysilane modified open-tubular  3-氨丙基键合柱

3-D open cells network structure  三维通孔网络结构

3-D open cells structure  三维通孔; 机损险; 机器险

3-D open-celled network structure  三维通孔网状结构

3rd stage open channel closure  三期截流

4-way open T equipment  四通开T设备

a smooth open contour  BET比表面积(BETSSA); 开口弧线

abandoned open pit  废弃采石场

Absolute Open Flow  绝对无阻流量; 无阻流量

Absolute Open Flow Capacity  绝对无阻流量