D is CAM wheel pole driving, spring automatic restore structure, tight structure, reasonable design, stable driving, dust discharge and dependable air lock.

D为凸轮连杆传动，弹簧自动复位机构，结构紧凑、设计合理、运转平稳，卸灰、锁气可靠。

youdao

The 8-pole connection System gives you the convenience and security of an Ultra-Lock connection in a higher pin count to handle a broader array of applications.

8位连接系统为您提供了一个更高的引脚数量，让您方便更安全地处理更广泛的应用超锁连接。

youdao

Osprey lock Ian Gough remains in pole position to fill the boots of sidelined regional team-mate Evans in the Wales XV, but in-form Dragons giant Luke Charteris is pushing hard.

BBC: Wales backing young lock Davies

The grinning face of punk musician Edward Tudor-Pole appears at the rear window as the bus goes over Camden Lock bridge.

BBC: Punks old and new bid farewell to McLaren