Care should be taken to avoid getting jointing compound inside pipes.

要小心谨慎，避免管道内密封剂。

The analysis of jointing pieces data.

小试件的拉伸试验数据分析。

Press-fit, jointing, torque and process control.

压接，焊接，扭矩和过程控制。

After jointing, coefficient of expansion leads to remain force.

接合后存在残余应力起因于材料的热膨胀系数。

Water deficit at jointing stage affected mostly dry matter accumulation.

拔节期水分亏缺对干物质累积量影响最大。