couplings造句
John Crane : fitting and maintenance instructions of high performance
couplings.
JohnCrane: 高性能联轴器的配件及维护说明.
...sexual
couplings.
性交
Sincflex is the earliest manufacturer in making membrane
couplings in China.
97年申克公司收到英国米切尔机械学会邀请参加膜片联轴器研讨会.
Hoses - Three 6 foot color - coded hoses with female threaded swivel
couplings.
三条6英尺长彩色软管,带内螺纹旋转接头.