建造周期 meaning in English

building cycle
production cycle

Short construction period
建造周期短
This , on the one hand , greatly obstructs the automation , and on the other , makes it very hard for the green hand to master . as a result , the technique is now meeting with the problem of handing down . the key to the problem is to quantify in a pragmatic way the effect that different factors have on plate shaping
随着科技的发展，由于水火弯板加工的经验性及手工操作，使得外板弯曲成形加工成为影响船体建造周期与实现自动化的瓶颈；而且随着老工人的退休，而青年工人掌握这项工艺又需相当长的时间，导致水火弯板技术青黄不接的现象日趋严重。