In the coal face, tubing length of 1000 meters, up to more than 4000 joint socket, the tank without a special dust-proof facilities.

在采煤工作面，油管总长1000多米，接头插口多达4000多个，液箱无特殊的防尘设施。

youdao

It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment.

它毕竟是一个简单的球窝关节；它有一定的载荷；它在有限的生命中需要可靠性；它必须包含适合工作环境的材料。

youdao

Other signs include pain radiating into the hip socket, or down the outside of the leg, or deep inside the belly over the anterior surface of the S-I joint.

其他特征还有，疼痛呈辐射状向大腿窝或腿部发散，或者越过骶髂关节向腹腔内部发散。

youdao

Think of the labrum as a ring of soft tissue that holds the ball of the femur, or thighbone, snugly in the hip joint's socket.

CNN: Gaga's injury related to 'being active'

Sure enough, the software giant came through this week with an announcement of a joint venture with Socket Communications to offer wireless modems for its Palm wannabe Windows CE, sometime this fall.

CNN: Opinion: The palmtop that ate Manhattan

The Yankees immediately scheduled a more extensive dye-contrast MRI, which showed a significant tear of the labrum, the socket padding that holds the ball of the shoulder joint in place.

WSJ: Pineda Done Before Starting