Provide for oneself tap water
provide for and help oneself to become stronger
Asbestos-cement pipe for well casing
central well for household meters
Correction for Well Deflection
digging well for rice planting
measures for well drilling
modern interpreting method for well test
mud prescription for well drilling
Parameter Well for Coalbed Methane
pipe well for lower water
Polyester Fibre for for spinning
standard well for Quaternary research
well provided for oneself
wire rope for well drilling
a high regard for Confucian classics and a low regard for commentaries