Make sure you have a payment schedule in place and make sure your clients understand when you expect to get paid. It could be once a month, up-front, upon completion or at a different set interval.
确定你有一份付款进程表并确定你的客户知道你希望什么时候付款。可以是一月一付，可以是完工后付，也可以是某个间隔时间付。
A completion configuration in which a production casing string is set across the reservoir interval and perforated to allow communication between the formation and wellbore.
一种完井结构，其中的生产套管柱下过储层层段并经射孔，以便在地层与井筒之间能够连通。
Gelation time refers to the interval of time between the addition of the last ingredient and the completion of the gelling.
胶凝时间，是指加入最后成分到胶凝完毕所需时间。
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