提出初步试验方案

preliminary plan put in a claim for put forward to put in a word for put in a claim for sth. plan for test for put forward criticism on put forward an argument put to the test A-test put one's best foot forward put in a tender for put in a plug for put forward put in a claim for sth put in a good word for sb put in a tender for sth put in a claim for sth. preliminary working plan report preliminary test put a stay put put one's best leg forward