Driving chain
... Driving adhesion coefficient驱动附着系数 Driving chain传动链条 Driving dog传动夹头;传动止块 ...
Drive-chain
... Final Drive System Chain 最后驱动系统链 Drive-chain 传动链条 drive endless chain 传动循环链 ...
sales engineer
... test engineer 手机测试工程师 sales engineer 销售工程师-传动链条 quality assurance engineer质量保证工程师 ...